diff --git a/Content.Client/Administration/UI/Tabs/AdminbusTab/AdminbusTab.xaml.cs b/Content.Client/Administration/UI/Tabs/AdminbusTab/AdminbusTab.xaml.cs
index 3d3b1e7118..4383300cee 100644
--- a/Content.Client/Administration/UI/Tabs/AdminbusTab/AdminbusTab.xaml.cs
+++ b/Content.Client/Administration/UI/Tabs/AdminbusTab/AdminbusTab.xaml.cs
@@ -1,9 +1,11 @@
 using System.IO;
 using Content.Client.Administration.Managers;
 using Content.Client.Sandbox;
+using Content.Client.UserInterface.Systems.DecalPlacer;
 using Content.Shared.Administration;
 using Robust.Client.AutoGenerated;
 using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controllers.Implementations;
 using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.XAML;
 
@@ -46,17 +48,17 @@ namespace Content.Client.Administration.UI.Tabs.AdminbusTab
 
         private void SpawnEntitiesButtonOnPressed(BaseButton.ButtonEventArgs obj)
         {
-            EntitySystem.Get<SandboxSystem>().ToggleEntitySpawnWindow();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<EntitySpawningUIController>().ToggleWindow();
         }
 
         private void SpawnTilesButtonOnOnPressed(BaseButton.ButtonEventArgs obj)
         {
-            EntitySystem.Get<SandboxSystem>().ToggleTilesWindow();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<TileSpawningUIController>().ToggleWindow();
         }
 
         private void SpawnDecalsButtonOnPressed(BaseButton.ButtonEventArgs obj)
         {
-            EntitySystem.Get<SandboxSystem>().ToggleDecalsWindow();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<DecalPlacerUIController>().ToggleWindow();
         }
     }
 }
diff --git a/Content.Client/Changelog/ChangelogButton.cs b/Content.Client/Changelog/ChangelogButton.cs
index 6b1116cca0..b029770857 100644
--- a/Content.Client/Changelog/ChangelogButton.cs
+++ b/Content.Client/Changelog/ChangelogButton.cs
@@ -1,7 +1,7 @@
 using Content.Client.Stylesheets;
+using Content.Client.UserInterface.Systems.EscapeMenu;
+using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controls;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 
 namespace Content.Client.Changelog
 {
@@ -13,7 +13,7 @@ namespace Content.Client.Changelog
         {
             IoCManager.InjectDependencies(this);
 
-            OnPressed += OnOnPressed;
+            OnPressed += OnChangelogPressed;
 
             // So that measuring before opening returns a correct height,
             // and the window has the correct size when opened.
@@ -35,9 +35,9 @@ namespace Content.Client.Changelog
             _changelogManager.NewChangelogEntriesChanged -= UpdateStuff;
         }
 
-        private void OnOnPressed(ButtonEventArgs obj)
+        private void OnChangelogPressed(ButtonEventArgs obj)
         {
-            new ChangelogWindow().OpenCentered();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<ChangelogUIController>().ToggleWindow();
         }
 
         private void UpdateStuff()
diff --git a/Content.Client/Changelog/ChangelogWindow.xaml.cs b/Content.Client/Changelog/ChangelogWindow.xaml.cs
index 2134f8275a..f666693772 100644
--- a/Content.Client/Changelog/ChangelogWindow.xaml.cs
+++ b/Content.Client/Changelog/ChangelogWindow.xaml.cs
@@ -1,6 +1,7 @@
 using System.Linq;
 using Content.Client.Resources;
 using Content.Client.Stylesheets;
+using Content.Client.UserInterface.Systems.EscapeMenu;
 using Content.Shared.Administration;
 using JetBrains.Annotations;
 using Robust.Client.AutoGenerated;
@@ -204,7 +205,7 @@ namespace Content.Client.Changelog
 
         public void Execute(IConsoleShell shell, string argStr, string[] args)
         {
-            new ChangelogWindow().OpenCentered();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<ChangelogUIController>().ToggleWindow();
         }
     }
 }
diff --git a/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs b/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
index d6fb41aafd..51f48e6927 100644
--- a/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
+++ b/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
@@ -7,7 +7,6 @@ using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.UserInterface.XAML;
 using Robust.Client.Utility;
-using Robust.Shared.Prototypes;
 using static Robust.Client.UserInterface.Controls.BaseButton;
 
 namespace Content.Client.Decals.UI;
@@ -15,7 +14,6 @@ namespace Content.Client.Decals.UI;
 [GenerateTypedNameReferences]
 public sealed partial class DecalPlacerWindow : DefaultWindow
 {
-    private readonly IPrototypeManager _prototypeManager;
     private readonly DecalPlacementSystem _decalPlacementSystem;
 
     public FloatSpinBox RotationSpinBox;
@@ -31,11 +29,10 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
     private bool _cleanable;
     private int _zIndex;
 
-    public DecalPlacerWindow(IPrototypeManager prototypeManager)
+    public DecalPlacerWindow()
     {
         RobustXamlLoader.Load(this);
 
-        _prototypeManager = prototypeManager;
         _decalPlacementSystem = EntitySystem.Get<DecalPlacementSystem>();
 
         // This needs to be done in C# so we can have custom stuff passed in the constructor
@@ -98,8 +95,6 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
         };
         // i have to make this a member method for some reason and i have no idea why its only for spinboxes
         ZIndexSpinBox.ValueChanged += ZIndexSpinboxChanged;
-
-        Populate();
     }
 
     private void OnColorPicked(Color color)
@@ -173,9 +168,8 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
         RefreshList();
     }
 
-    public void Populate()
+    public void Populate(IEnumerable<DecalPrototype> prototypes)
     {
-        var prototypes = _prototypeManager.EnumeratePrototypes<DecalPrototype>();
         _decals = new Dictionary<string, Texture>();
         foreach (var decalPrototype in prototypes)
         {
diff --git a/Content.Client/Entry/EntryPoint.cs b/Content.Client/Entry/EntryPoint.cs
index b8ab52922e..cc71f8431d 100644
--- a/Content.Client/Entry/EntryPoint.cs
+++ b/Content.Client/Entry/EntryPoint.cs
@@ -49,7 +49,6 @@ namespace Content.Client.Entry
     {
         [Dependency] private readonly IPlayerManager _playerManager = default!;
         [Dependency] private readonly IBaseClient _baseClient = default!;
-        [Dependency] private readonly IEscapeMenuOwner _escapeMenuOwner = default!;
         [Dependency] private readonly IGameController _gameController = default!;
         [Dependency] private readonly IStateManager _stateManager = default!;
         [Dependency] private readonly IEntityManager _entityManager = default!;
@@ -130,8 +129,6 @@ namespace Content.Client.Entry
             IoCManager.Resolve<IConfigurationManager>().OverrideDefault(CVars.NetBufferSize, NetBufferSizeOverride);
 #endif
 
-            _escapeMenuOwner.Initialize();
-
             _baseClient.PlayerJoinedServer += (_, _) =>
             {
                 IoCManager.Resolve<IMapManager>().CreateNewMapEntity(MapId.Nullspace);
diff --git a/Content.Client/Info/RulesAndInfoWindow.cs b/Content.Client/Info/RulesAndInfoWindow.cs
index 60351247a3..fde0394974 100644
--- a/Content.Client/Info/RulesAndInfoWindow.cs
+++ b/Content.Client/Info/RulesAndInfoWindow.cs
@@ -1,4 +1,5 @@
 using Content.Client.Options.UI;
+using Content.Client.UserInterface.Systems.EscapeMenu;
 using Robust.Client.ResourceManagement;
 using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controls;
@@ -15,13 +16,10 @@ namespace Content.Client.Info
         [Dependency] private readonly IEntitySystemManager _sysMan = default!;
         [Dependency] private readonly RulesManager _rules = default!;
 
-        private OptionsMenu optionsMenu;
-
         public RulesAndInfoWindow()
         {
             IoCManager.InjectDependencies(this);
 
-            optionsMenu = new OptionsMenu();
 
             Title = Loc.GetString("ui-info-title");
 
@@ -52,7 +50,12 @@ namespace Content.Client.Info
             AddSection(tutorialList, Loc.GetString("ui-info-header-gameplay"), "Gameplay.txt", true);
             AddSection(tutorialList, Loc.GetString("ui-info-header-sandbox"), "Sandbox.txt", true);
 
-            infoControlSection.ControlsButton.OnPressed += _ => optionsMenu.OpenCentered();
+            infoControlSection.ControlsButton.OnPressed += OnOptionsPressed;
+        }
+
+        private void OnOptionsPressed(BaseButton.ButtonEventArgs obj)
+        {
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<OptionsUIController>().ToggleWindow();
         }
 
         private static void AddSection(Info info, Control control)
diff --git a/Content.Client/IoC/ClientContentIoC.cs b/Content.Client/IoC/ClientContentIoC.cs
index e8ee8389a0..cde59b9268 100644
--- a/Content.Client/IoC/ClientContentIoC.cs
+++ b/Content.Client/IoC/ClientContentIoC.cs
@@ -30,7 +30,6 @@ namespace Content.Client.IoC
             IoCManager.Register<IGameHud, GameHud>();
             IoCManager.Register<IParallaxManager, ParallaxManager>();
             IoCManager.Register<IChatManager, ChatManager>();
-            IoCManager.Register<IEscapeMenuOwner, EscapeMenuOwner>();
             IoCManager.Register<IModuleManager, ClientModuleManager>();
             IoCManager.Register<IClientPreferencesManager, ClientPreferencesManager>();
             IoCManager.Register<IItemSlotManager, ItemSlotManager>();
diff --git a/Content.Client/Lobby/LobbyState.cs b/Content.Client/Lobby/LobbyState.cs
index 47c0a69993..7f4a98542a 100644
--- a/Content.Client/Lobby/LobbyState.cs
+++ b/Content.Client/Lobby/LobbyState.cs
@@ -9,6 +9,7 @@ using Content.Client.Lobby.UI;
 using Content.Client.Preferences;
 using Content.Client.Preferences.UI;
 using Content.Client.Resources;
+using Content.Client.UserInterface.Systems.EscapeMenu;
 using Content.Client.Voting;
 using Content.Shared.GameTicking;
 using Robust.Client;
@@ -106,7 +107,7 @@ namespace Content.Client.Lobby
             };
 
             _lobby.LeaveButton.OnPressed += _ => _consoleHost.ExecuteCommand("disconnect");
-            _lobby.OptionsButton.OnPressed += _ => new OptionsMenu().Open();
+            _lobby.OptionsButton.OnPressed += OnOptionsPressed;
 
 
             _gameTicker.InfoBlobUpdated += UpdateLobbyUi;
@@ -114,6 +115,11 @@ namespace Content.Client.Lobby
             _gameTicker.LobbyLateJoinStatusUpdated += LobbyLateJoinStatusUpdated;
         }
 
+        private void OnOptionsPressed(BaseButton.ButtonEventArgs obj)
+        {
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<OptionsUIController>().ToggleWindow();
+        }
+
         protected override void Shutdown()
         {
             _gameTicker.InfoBlobUpdated -= UpdateLobbyUi;
diff --git a/Content.Client/MainMenu/MainMenu.cs b/Content.Client/MainMenu/MainMenu.cs
index 47bc8a4910..8a3c3b02ab 100644
--- a/Content.Client/MainMenu/MainMenu.cs
+++ b/Content.Client/MainMenu/MainMenu.cs
@@ -2,6 +2,7 @@ using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Content.Client.Options.UI;
 using Content.Client.MainMenu.UI;
+using Content.Client.UserInterface.Systems.EscapeMenu;
 using Robust.Client;
 using Robust.Client.ResourceManagement;
 using Robust.Client.UserInterface;
@@ -28,7 +29,6 @@ namespace Content.Client.MainMenu
         [Dependency] private readonly IUserInterfaceManager _userInterfaceManager = default!;
 
         private MainMenuControl _mainMenuControl = default!;
-        private OptionsMenu _optionsMenu = default!;
         private bool _isConnecting;
 
         // ReSharper disable once InconsistentNaming
@@ -46,8 +46,6 @@ namespace Content.Client.MainMenu
             _mainMenuControl.AddressBox.OnTextEntered += AddressBoxEntered;
 
             _client.RunLevelChanged += RunLevelChanged;
-
-            _optionsMenu = new OptionsMenu();
         }
 
         /// <inheritdoc />
@@ -57,7 +55,6 @@ namespace Content.Client.MainMenu
             _netManager.ConnectFailed -= _onConnectFailed;
 
             _mainMenuControl.Dispose();
-            _optionsMenu.Dispose();
         }
 
         private void QuitButtonPressed(BaseButton.ButtonEventArgs args)
@@ -67,7 +64,7 @@ namespace Content.Client.MainMenu
 
         private void OptionsButtonPressed(BaseButton.ButtonEventArgs args)
         {
-            _optionsMenu.OpenCentered();
+            IoCManager.Resolve<IUserInterfaceManager>().GetUIController<OptionsUIController>().ToggleWindow();
         }
 
         private void DirectConnectButtonPressed(BaseButton.ButtonEventArgs args)
diff --git a/Content.Client/Options/EscapeMenuOwner.cs b/Content.Client/Options/EscapeMenuOwner.cs
deleted file mode 100644
index 426921c759..0000000000
--- a/Content.Client/Options/EscapeMenuOwner.cs
+++ /dev/null
@@ -1,89 +0,0 @@
-using Content.Client.Gameplay;
-using Content.Client.HUD;
-using Content.Client.Viewport;
-using Robust.Client.Console;
-using Robust.Client.Input;
-using Robust.Client.State;
-using Robust.Shared.Input;
-using Robust.Shared.Input.Binding;
-using Robust.Shared.IoC;
-
-namespace Content.Client.Options
-{
-    internal sealed class EscapeMenuOwner : IEscapeMenuOwner
-    {
-        [Dependency] private readonly IClientConsoleHost _consoleHost = default!;
-        [Dependency] private readonly IInputManager _inputManager = default!;
-        [Dependency] private readonly IStateManager _stateManager = default!;
-        [Dependency] private readonly IGameHud _gameHud = default!;
-
-        private UI.EscapeMenu? _escapeMenu;
-
-        public void Initialize()
-        {
-            _stateManager.OnStateChanged += StateManagerOnOnStateChanged;
-
-            _gameHud.EscapeButtonToggled += _setOpenValue;
-        }
-
-        private void StateManagerOnOnStateChanged(StateChangedEventArgs obj)
-        {
-            if (obj.NewState is GameplayStateBase)
-            {
-                // Switched TO GameScreen.
-                _escapeMenu = new UI.EscapeMenu(_consoleHost);
-
-                _escapeMenu.OnClose += () => _gameHud.EscapeButtonDown = false;
-
-                _inputManager.SetInputCommand(EngineKeyFunctions.EscapeMenu,
-                    InputCmdHandler.FromDelegate(_ => Enabled()));
-            }
-            else if (obj.OldState is GameplayStateBase)
-            {
-                // Switched FROM GameScreen.
-                _escapeMenu?.Dispose();
-                _escapeMenu = null;
-
-                _inputManager.SetInputCommand(EngineKeyFunctions.EscapeMenu, null);
-            }
-        }
-
-        private void Enabled()
-        {
-            if (_escapeMenu != null && _escapeMenu.IsOpen)
-            {
-                if (_escapeMenu.IsAtFront())
-                {
-                    _setOpenValue(false);
-                }
-                else
-                {
-                    _escapeMenu.MoveToFront();
-                }
-            }
-            else
-            {
-                _setOpenValue(true);
-            }
-        }
-
-        private void _setOpenValue(bool value)
-        {
-            if (value)
-            {
-                _gameHud.EscapeButtonDown = true;
-                _escapeMenu?.OpenCentered();
-            }
-            else
-            {
-                _gameHud.EscapeButtonDown = false;
-                _escapeMenu?.Close();
-            }
-        }
-    }
-
-    public interface IEscapeMenuOwner
-    {
-        void Initialize();
-    }
-}
diff --git a/Content.Client/Options/UI/EscapeMenu.xaml b/Content.Client/Options/UI/EscapeMenu.xaml
index 3095d07a71..cb7edb921a 100644
--- a/Content.Client/Options/UI/EscapeMenu.xaml
+++ b/Content.Client/Options/UI/EscapeMenu.xaml
@@ -1,16 +1,17 @@
-<DefaultWindow xmlns="https://spacestation14.io"
+<ui1:EscapeMenu xmlns="https://spacestation14.io"
             xmlns:changelog="clr-namespace:Content.Client.Changelog"
             xmlns:ui="clr-namespace:Content.Client.Voting.UI"
+            xmlns:ui1="clr-namespace:Content.Client.Options.UI"
             Title="{Loc 'ui-escape-title'}"
             Resizable="False">
 
     <BoxContainer Orientation="Vertical" SeparationOverride="4" MinWidth="150">
-        <changelog:ChangelogButton />
+        <changelog:ChangelogButton Access="Public" Name="ChangelogButton"/>
         <ui:VoteCallMenuButton />
-        <Button Name="OptionsButton" Text="{Loc 'ui-escape-options'}" />
-        <Button Name="RulesButton" Text="{Loc 'ui-escape-rules'}" />
-        <Button Name="WikiButton" Text="{Loc 'ui-escape-wiki'}" />
-        <Button Name="DisconnectButton" Text="{Loc 'ui-escape-disconnect'}" />
-        <Button Name="QuitButton" Text="{Loc 'ui-escape-quit'}" />
+        <Button Access="Public" Name="OptionsButton" Text="{Loc 'ui-escape-options'}" />
+        <Button Access="Public" Name="RulesButton" Text="{Loc 'ui-escape-rules'}" />
+        <Button Access="Public" Name="WikiButton" Text="{Loc 'ui-escape-wiki'}" />
+        <Button Access="Public" Name="DisconnectButton" Text="{Loc 'ui-escape-disconnect'}" />
+        <Button Access="Public" Name="QuitButton" Text="{Loc 'ui-escape-quit'}" />
     </BoxContainer>
-</DefaultWindow>
+</ui1:EscapeMenu>
diff --git a/Content.Client/Options/UI/EscapeMenu.xaml.cs b/Content.Client/Options/UI/EscapeMenu.xaml.cs
index dfae0498dc..f88e7edec3 100644
--- a/Content.Client/Options/UI/EscapeMenu.xaml.cs
+++ b/Content.Client/Options/UI/EscapeMenu.xaml.cs
@@ -1,69 +1,15 @@
-using Content.Client.Info;
-using Content.Client.Administration;
 using Robust.Client.AutoGenerated;
-using Robust.Client.Console;
-using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.UserInterface.XAML;
-using Robust.Client.UserInterface;
-using Content.Client.Links;
-using Robust.Shared.GameObjects;
 
 namespace Content.Client.Options.UI
 {
     [GenerateTypedNameReferences]
-    internal sealed partial class EscapeMenu : DefaultWindow
+    public sealed partial class EscapeMenu : DefaultWindow
     {
-        private readonly IClientConsoleHost _consoleHost;
-
-        private readonly OptionsMenu _optionsMenu;
-
-        public EscapeMenu(IClientConsoleHost consoleHost)
+        public EscapeMenu()
         {
-            _consoleHost = consoleHost;
-
             RobustXamlLoader.Load(this);
-
-            _optionsMenu = new OptionsMenu();
-
-            OptionsButton.OnPressed += OnOptionsButtonClicked;
-            QuitButton.OnPressed += OnQuitButtonClicked;
-            RulesButton.OnPressed += _ => new RulesAndInfoWindow().Open();
-            DisconnectButton.OnPressed += OnDisconnectButtonClicked;
-            WikiButton.OnPressed += OnWikiButtonClicked;
-        }
-
-        private void OnQuitButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            _consoleHost.ExecuteCommand("quit");
-            Dispose();
-        }
-
-        private void OnDisconnectButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            _consoleHost.ExecuteCommand("disconnect");
-            Dispose();
-        }
-
-        private void OnOptionsButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            _optionsMenu.OpenCentered();
-        }
-
-        private void OnWikiButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            var uriOpener = IoCManager.Resolve<IUriOpener>();
-            uriOpener.OpenUri(UILinks.Wiki);
-        }
-
-        protected override void Dispose(bool disposing)
-        {
-            base.Dispose(disposing);
-
-            if (disposing)
-            {
-                _optionsMenu.Dispose();
-            }
         }
     }
 }
diff --git a/Content.Client/Options/UI/OptionsMenu.xaml.cs b/Content.Client/Options/UI/OptionsMenu.xaml.cs
index da271025a0..fdb3ac745b 100644
--- a/Content.Client/Options/UI/OptionsMenu.xaml.cs
+++ b/Content.Client/Options/UI/OptionsMenu.xaml.cs
@@ -1,8 +1,6 @@
 using Robust.Client.AutoGenerated;
 using Robust.Client.UserInterface.CustomControls;
 using Robust.Client.UserInterface.XAML;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
 
 namespace Content.Client.Options.UI
 {
diff --git a/Content.Client/Options/UI/Tabs/GraphicsTab.xaml b/Content.Client/Options/UI/Tabs/GraphicsTab.xaml
index 9d60846efa..2008e7e094 100644
--- a/Content.Client/Options/UI/Tabs/GraphicsTab.xaml
+++ b/Content.Client/Options/UI/Tabs/GraphicsTab.xaml
@@ -1,5 +1,6 @@
-<Control xmlns="https://spacestation14.io"
-         xmlns:controls="clr-namespace:Content.Client.UserInterface.Controls">
+<tabs:GraphicsTab xmlns="https://spacestation14.io"
+          xmlns:controls="clr-namespace:Content.Client.UserInterface.Controls"
+          xmlns:tabs="clr-namespace:Content.Client.Options.UI.Tabs">
     <BoxContainer Orientation="Vertical">
         <BoxContainer Orientation="Vertical" Margin="8 8 8 8" VerticalExpand="True">
             <CheckBox Name="VSyncCheckBox" Text="{Loc 'ui-options-vsync'}" />
@@ -45,4 +46,4 @@
                     HorizontalAlignment="Right" />
         </controls:StripeBack>
     </BoxContainer>
-</Control>
+</tabs:GraphicsTab>
diff --git a/Content.Client/Options/UI/Tabs/GraphicsTab.xaml.cs b/Content.Client/Options/UI/Tabs/GraphicsTab.xaml.cs
index b5ebcb064c..a54122280a 100644
--- a/Content.Client/Options/UI/Tabs/GraphicsTab.xaml.cs
+++ b/Content.Client/Options/UI/Tabs/GraphicsTab.xaml.cs
@@ -7,9 +7,6 @@ using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.XAML;
 using Robust.Shared;
 using Robust.Shared.Configuration;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Maths;
 using Robust.Shared.Prototypes;
 
 namespace Content.Client.Options.UI.Tabs
diff --git a/Content.Client/Sandbox/SandboxSystem.cs b/Content.Client/Sandbox/SandboxSystem.cs
index 7933a11144..c3f7f1513f 100644
--- a/Content.Client/Sandbox/SandboxSystem.cs
+++ b/Content.Client/Sandbox/SandboxSystem.cs
@@ -1,168 +1,93 @@
 using Content.Client.Administration.Managers;
-using Content.Client.Decals.UI;
-using Content.Client.Eui;
 using Content.Client.HUD;
-using Content.Client.Markers;
-using Content.Client.SubFloor;
-using Content.Shared.Administration;
-using Content.Shared.GameTicking;
-using Content.Shared.Input;
 using Content.Shared.Sandbox;
 using Robust.Client.Console;
-using Robust.Client.Debugging;
-using Robust.Client.Graphics;
-using Robust.Client.Input;
 using Robust.Client.Placement;
 using Robust.Client.Placement.Modes;
-using Robust.Client.ResourceManagement;
 using Robust.Client.UserInterface;
-using Robust.Client.UserInterface.Controllers.Implementations;
-using Robust.Client.UserInterface.Controls;
-using Robust.Client.UserInterface.CustomControls;
-using Robust.Shared.Input.Binding;
 using Robust.Shared.Map;
-using Robust.Shared.Network;
 using Robust.Shared.Players;
-using static Robust.Client.UserInterface.Controls.BoxContainer;
 
 namespace Content.Client.Sandbox
 {
-    // Layout for the SandboxWindow
-    public sealed class SandboxWindow : DefaultWindow
-    {
-        public readonly Button RespawnButton;
-        public readonly Button SpawnEntitiesButton;
-        public readonly Button SpawnTilesButton;
-        public readonly Button SpawnDecalsButton;
-        public readonly Button GiveFullAccessButton;  //A button that just puts a captain's ID in your hands.
-        public readonly Button GiveAghostButton;
-        public readonly Button ToggleLightButton;
-        public readonly Button ToggleFovButton;
-        public readonly Button ToggleShadowsButton;
-        public readonly Button SuicideButton;
-        public readonly Button ToggleSubfloorButton;
-        public readonly Button ShowMarkersButton; //Shows spawn points
-        public readonly Button ShowBbButton; //Shows bounding boxes
-        public readonly Button MachineLinkingButton; // Enables/disables machine linking mode.
-        private readonly IGameHud _gameHud;
-
-        public SandboxWindow()
-        {
-            Resizable = false;
-            _gameHud = IoCManager.Resolve<IGameHud>();
-            Title = Loc.GetString("sandbox-window-title");
-
-            var vBox = new BoxContainer
-            {
-                Orientation = LayoutOrientation.Vertical,
-                SeparationOverride = 4
-            };
-            Contents.AddChild(vBox);
-
-            RespawnButton = new Button { Text = Loc.GetString("sandbox-window-respawn-button") };
-            vBox.AddChild(RespawnButton);
-
-            SpawnEntitiesButton = new Button { Text = Loc.GetString("sandbox-window-spawn-entities-button") };
-            vBox.AddChild(SpawnEntitiesButton);
-
-            SpawnTilesButton = new Button { Text = Loc.GetString("sandbox-window-spawn-tiles-button") };
-            vBox.AddChild(SpawnTilesButton);
-
-            SpawnDecalsButton = new Button { Text = Loc.GetString("sandbox-window-spawn-decals-button") };
-            vBox.AddChild(SpawnDecalsButton);
-
-            GiveFullAccessButton = new Button { Text = Loc.GetString("sandbox-window-grant-full-access-button") };
-            vBox.AddChild(GiveFullAccessButton);
-
-            GiveAghostButton = new Button { Text = Loc.GetString("sandbox-window-ghost-button") };
-            vBox.AddChild(GiveAghostButton);
-
-            ToggleLightButton = new Button { Text = Loc.GetString("sandbox-window-toggle-lights-button"), ToggleMode = true, Pressed = !IoCManager.Resolve<ILightManager>().Enabled };
-            vBox.AddChild(ToggleLightButton);
-
-            ToggleFovButton = new Button { Text = Loc.GetString("sandbox-window-toggle-fov-button"), ToggleMode = true, Pressed = !IoCManager.Resolve<IEyeManager>().CurrentEye.DrawFov };
-            vBox.AddChild(ToggleFovButton);
-
-            ToggleShadowsButton = new Button { Text = Loc.GetString("sandbox-window-toggle-shadows-button"), ToggleMode = true, Pressed = !IoCManager.Resolve<ILightManager>().DrawShadows };
-            vBox.AddChild(ToggleShadowsButton);
-
-            ToggleSubfloorButton = new Button { Text = Loc.GetString("sandbox-window-toggle-subfloor-button"), ToggleMode = true, Pressed = EntitySystem.Get<SubFloorHideSystem>().ShowAll };
-            vBox.AddChild(ToggleSubfloorButton);
-
-            SuicideButton = new Button { Text = Loc.GetString("sandbox-window-toggle-suicide-button") };
-            vBox.AddChild(SuicideButton);
-
-            ShowMarkersButton = new Button { Text = Loc.GetString("sandbox-window-show-spawns-button"), ToggleMode = true, Pressed = EntitySystem.Get<MarkerSystem>().MarkersVisible };
-            vBox.AddChild(ShowMarkersButton);
-
-            ShowBbButton = new Button { Text = Loc.GetString("sandbox-window-show-bb-button"), ToggleMode = true, Pressed = (EntitySystem.Get<DebugPhysicsSystem>().Flags & PhysicsDebugFlags.Shapes) != 0x0 };
-            vBox.AddChild(ShowBbButton);
-
-            MachineLinkingButton = new Button { Text = Loc.GetString("sandbox-window-link-machines-button"), ToggleMode = true };
-            vBox.AddChild(MachineLinkingButton);
-        }
-
-
-        protected override void EnteredTree()
-        {
-            base.EnteredTree();
-            _gameHud.SandboxButtonDown = true;
-        }
-
-        protected override void ExitedTree()
-        {
-            base.ExitedTree();
-            _gameHud.SandboxButtonDown = false;
-        }
-
-    }
-
     public sealed class SandboxSystem : SharedSandboxSystem
     {
-        [Dependency] private readonly IClientConsoleHost _consoleHost = default!;
-        [Dependency] private readonly IGameHud _gameHud = default!;
-        [Dependency] private readonly IMapManager _mapManager = default!;
-        [Dependency] private readonly IPlacementManager _placementManager = default!;
-        [Dependency] private readonly IResourceCache _resourceCache = default!;
-        [Dependency] private readonly ITileDefinitionManager _tileDefinitionManager = default!;
-        [Dependency] private readonly IInputManager _inputManager = default!;
         [Dependency] private readonly IClientAdminManager _adminManager = default!;
+        [Dependency] private readonly IClientConsoleHost _consoleHost = default!;
+        [Dependency] private readonly IMapManager _map = default!;
+        [Dependency] private readonly IPlacementManager _placement = default!;
         [Dependency] private readonly IUserInterfaceManager _userInterfaceManager = default!;
+        [Dependency] private readonly IGameHud _gameHud = default!;
 
+        private bool _sandboxEnabled;
         public bool SandboxAllowed { get; private set; }
-
-        private SandboxWindow? _sandboxWindow;
-        private EntitySpawnWindow? _spawnWindow;
-        private TileSpawnWindow? _tilesSpawnWindow;
-        private DecalPlacerWindow? _decalSpawnWindow;
+        public event Action? SandboxEnabled;
+        public event Action? SandboxDisabled;
 
         public override void Initialize()
         {
-            base.Initialize();
+            _adminManager.AdminStatusUpdated += CheckStatus;
             SubscribeNetworkEvent<MsgSandboxStatus>(OnSandboxStatus);
-            SubscribeNetworkEvent<RoundRestartCleanupEvent>(OnRoundRestart);
-
-            _adminManager.AdminStatusUpdated += OnAdminStatus;
-            _gameHud.SandboxButtonToggled += SandboxButtonPressed;
-
-            // Do these need cleanup?
-            _inputManager.SetInputCommand(ContentKeyFunctions.OpenEntitySpawnWindow,
-                InputCmdHandler.FromDelegate(session => ToggleEntitySpawnWindow()));
-            _inputManager.SetInputCommand(ContentKeyFunctions.OpenSandboxWindow,
-                InputCmdHandler.FromDelegate(session => ToggleSandboxWindow()));
-            _inputManager.SetInputCommand(ContentKeyFunctions.OpenTileSpawnWindow,
-                InputCmdHandler.FromDelegate(session => ToggleTilesWindow()));
-            _inputManager.SetInputCommand(ContentKeyFunctions.OpenDecalSpawnWindow,
-                InputCmdHandler.FromDelegate(session => ToggleDecalsWindow()));
-
-            CommandBinds.Builder
-                .Bind(ContentKeyFunctions.EditorCopyObject, new PointerInputCmdHandler(OnCopy))
-                .Register<SandboxSystem>();
         }
 
-        private bool OnCopy(ICommonSession? session, EntityCoordinates coords, EntityUid uid)
+        private void CheckStatus()
         {
-            if (!CanSandbox())
+            var currentStatus = _sandboxEnabled || _adminManager.IsActive();
+            if (currentStatus == SandboxAllowed)
+                return;
+            SandboxAllowed = currentStatus;
+            if (SandboxAllowed)
+            {
+                SandboxEnabled?.Invoke();
+                _gameHud.SandboxButtonVisible = true;
+            }
+            else
+            {
+                SandboxDisabled?.Invoke();
+                _gameHud.SandboxButtonVisible = false;
+            }
+        }
+
+        public override void Shutdown()
+        {
+            _adminManager.AdminStatusUpdated -= CheckStatus;
+            base.Shutdown();
+        }
+
+        private void OnSandboxStatus(MsgSandboxStatus ev)
+        {
+            SetAllowed(ev.SandboxAllowed);
+        }
+
+        private void SetAllowed(bool sandboxEnabled)
+        {
+            _sandboxEnabled = sandboxEnabled;
+            CheckStatus();
+        }
+
+        public void Respawn()
+        {
+            RaiseNetworkEvent(new MsgSandboxRespawn());
+        }
+
+        public void GiveAdminAccess()
+        {
+            RaiseNetworkEvent(new MsgSandboxGiveAccess());
+        }
+
+        public void GiveAGhost()
+        {
+            RaiseNetworkEvent(new MsgSandboxGiveAghost());
+        }
+
+        public void Suicide()
+        {
+            RaiseNetworkEvent(new MsgSandboxSuicide());
+        }
+
+        public bool Copy(ICommonSession? session, EntityCoordinates coords, EntityUid uid)
+        {
+            if (!SandboxAllowed)
                 return false;
 
             // Try copy entity.
@@ -173,10 +98,10 @@ namespace Content.Client.Sandbox
                 if (comp.EntityPrototype == null || comp.EntityPrototype.NoSpawn || comp.EntityPrototype.Abstract)
                     return false;
 
-                if (_placementManager.Eraser)
-                    _placementManager.ToggleEraser();
+                if (_placement.Eraser)
+                    _placement.ToggleEraser();
 
-                _placementManager.BeginPlacing(new()
+                _placement.BeginPlacing(new()
                 {
                     EntityType = comp.EntityPrototype.ID,
                     IsTile = false,
@@ -187,13 +112,13 @@ namespace Content.Client.Sandbox
             }
 
             // Try copy tile.
-            if (!_mapManager.TryFindGridAt(coords.ToMap(EntityManager), out var grid) || !grid.TryGetTileRef(coords, out var tileRef))
+            if (!_map.TryFindGridAt(coords.ToMap(EntityManager), out var grid) || !grid.TryGetTileRef(coords, out var tileRef))
                 return false;
 
-            if (_placementManager.Eraser)
-                _placementManager.ToggleEraser();
+            if (_placement.Eraser)
+                _placement.ToggleEraser();
 
-            _placementManager.BeginPlacing(new()
+            _placement.BeginPlacing(new()
             {
                 EntityType = null,
                 IsTile = true,
@@ -203,265 +128,38 @@ namespace Content.Client.Sandbox
             return true;
         }
 
-        private void OnAdminStatus()
-        {
-            if (CanSandbox())
-                Enable();
-            else
-                Disable();
-        }
-
-        private bool CanSandbox()
-        {
-            return SandboxAllowed || _adminManager.IsActive();
-        }
-
-        /// <summary>
-        /// Run when sandbox is disabled
-        /// </summary>
-        private void Disable()
-        {
-            _gameHud.SandboxButtonVisible = false;
-            _sandboxWindow?.Close();
-            _sandboxWindow = null;
-            _spawnWindow?.Close();
-            _tilesSpawnWindow?.Close();
-            _decalSpawnWindow?.Close();
-        }
-
-        private void Enable()
-        {
-            _gameHud.SandboxButtonVisible = true;
-        }
-
-        private void OnRoundRestart(RoundRestartCleanupEvent ev)
-        {
-            // Go through and cleanup windows (even if they remain adminned better to just shut them).
-            Disable();
-
-            if (CanSandbox())
-                Enable();
-        }
-
-        public override void Shutdown()
-        {
-            base.Shutdown();
-            // TODO: Gamehud moment
-            _gameHud.SandboxButtonToggled -= SandboxButtonPressed;
-            _adminManager.AdminStatusUpdated -= OnAdminStatus;
-            CommandBinds.Unregister<SandboxSystem>();
-        }
-
-        private void OnSandboxStatus(MsgSandboxStatus ev)
-        {
-            SetAllowed(ev.SandboxAllowed);
-        }
-
-        private void SandboxButtonPressed(bool newValue)
-        {
-            UpdateSandboxWindowVisibility();
-        }
-
-        private void ToggleSandboxWindow()
-        {
-            UpdateSandboxWindowVisibility();
-        }
-
-        private void UpdateSandboxWindowVisibility()
-        {
-            if (CanSandbox() && _sandboxWindow?.IsOpen != true)
-                OpenSandboxWindow();
-            else
-                _sandboxWindow?.Close();
-        }
-
-        private void SetAllowed(bool newAllowed)
-        {
-            if (newAllowed == SandboxAllowed)
-                return;
-
-            SandboxAllowed = newAllowed;
-            _gameHud.SandboxButtonVisible = CanSandbox();
-
-            if (!CanSandbox())
-                Disable();
-        }
-
-        private void OpenSandboxWindow()
-        {
-            if (_sandboxWindow != null)
-            {
-                if (!_sandboxWindow.IsOpen)
-                    _sandboxWindow.Open();
-
-                return;
-            }
-
-            _sandboxWindow = new SandboxWindow();
-
-            _sandboxWindow.OnClose += SandboxWindowOnClose;
-
-            _sandboxWindow.RespawnButton.OnPressed += OnRespawnButtonOnOnPressed;
-            _sandboxWindow.SpawnTilesButton.OnPressed += OnSpawnTilesButtonClicked;
-            _sandboxWindow.SpawnEntitiesButton.OnPressed += OnSpawnEntitiesButtonClicked;
-            _sandboxWindow.SpawnDecalsButton.OnPressed += OnSpawnDecalsButtonClicked;
-            _sandboxWindow.GiveFullAccessButton.OnPressed += OnGiveAdminAccessButtonClicked;
-            _sandboxWindow.GiveAghostButton.OnPressed += OnGiveAghostButtonClicked;
-            _sandboxWindow.ToggleLightButton.OnToggled += OnToggleLightButtonClicked;
-            _sandboxWindow.ToggleFovButton.OnToggled += OnToggleFovButtonClicked;
-            _sandboxWindow.ToggleShadowsButton.OnToggled += OnToggleShadowsButtonClicked;
-            _sandboxWindow.SuicideButton.OnPressed += OnSuicideButtonClicked;
-            _sandboxWindow.ToggleSubfloorButton.OnPressed += OnToggleSubfloorButtonClicked;
-            _sandboxWindow.ShowMarkersButton.OnPressed += OnShowMarkersButtonClicked;
-            _sandboxWindow.ShowBbButton.OnPressed += OnShowBbButtonClicked;
-            _sandboxWindow.MachineLinkingButton.OnPressed += OnMachineLinkingButtonClicked;
-
-            _sandboxWindow.OpenCentered();
-        }
-
-        private void SandboxWindowOnClose()
-        {
-            _sandboxWindow = null;
-        }
-
-        private void OnRespawnButtonOnOnPressed(BaseButton.ButtonEventArgs args)
-        {
-            RaiseNetworkEvent(new MsgSandboxRespawn());
-        }
-
-        private void OnSpawnEntitiesButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleEntitySpawnWindow();
-        }
-
-        private void OnSpawnTilesButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleTilesWindow();
-        }
-
-        private void OnSpawnDecalsButtonClicked(BaseButton.ButtonEventArgs obj)
-        {
-            ToggleDecalsWindow();
-        }
-
-        private void OnToggleLightButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleLight();
-        }
-
-        private void OnToggleFovButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleFov();
-        }
-
-        private void OnToggleShadowsButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleShadows();
-        }
-
-        private void OnToggleSubfloorButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ToggleSubFloor();
-        }
-
-        private void OnShowMarkersButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ShowMarkers();
-        }
-
-        private void OnShowBbButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            ShowBb();
-        }
-        private void OnMachineLinkingButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            LinkMachines();
-        }
-
-        private void OnGiveAdminAccessButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            RaiseNetworkEvent(new MsgSandboxGiveAccess());
-        }
-
-        private void OnGiveAghostButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            RaiseNetworkEvent(new MsgSandboxGiveAghost());
-        }
-
-        private void OnSuicideButtonClicked(BaseButton.ButtonEventArgs args)
-        {
-            RaiseNetworkEvent(new MsgSandboxSuicide());
-        }
-
-
-        // TODO: These should check for command perms + be reset if the round is over.
-        public void ToggleEntitySpawnWindow()
-        {
-            if (!CanSandbox())
-                return;
-            _userInterfaceManager.GetUIController<EntitySpawningUIController>().ToggleWindow();
-        }
-
-        public void ToggleTilesWindow()
-        {
-            if (!CanSandbox())
-                return;
-            _userInterfaceManager.GetUIController<TileSpawningUIController>().ToggleWindow();
-        }
-
-        public void ToggleDecalsWindow()
-        {
-            if (_decalSpawnWindow == null)
-            {
-                if (!CanSandbox()) return;
-
-                _decalSpawnWindow = new DecalPlacerWindow(PrototypeManager);
-                _decalSpawnWindow.OpenToLeft();
-                return;
-            }
-
-            if (_decalSpawnWindow.IsOpen)
-            {
-                _decalSpawnWindow.Close();
-            }
-            else
-            {
-                _decalSpawnWindow.Open();
-            }
-        }
-
         // TODO: need to cleanup these
-        private void ToggleLight()
+        public void ToggleLight()
         {
             _consoleHost.ExecuteCommand("togglelight");
         }
 
-        private void ToggleFov()
+        public void ToggleFov()
         {
             _consoleHost.ExecuteCommand("togglefov");
         }
 
-        private void ToggleShadows()
+        public void ToggleShadows()
         {
             _consoleHost.ExecuteCommand("toggleshadows");
         }
 
-        private void ToggleSubFloor()
+        public void ToggleSubFloor()
         {
             _consoleHost.ExecuteCommand("showsubfloor");
         }
 
-        private void ShowMarkers()
+        public void ShowMarkers()
         {
             _consoleHost.ExecuteCommand("showmarkers");
         }
 
-        private void ShowBb()
+        public void ShowBb()
         {
             _consoleHost.ExecuteCommand("physics shapes");
         }
 
-        private void LinkMachines()
+        public void MachineLinking()
         {
             _consoleHost.ExecuteCommand("signallink");
         }
diff --git a/Content.Client/UserInterface/Systems/DecalPlacer/DecalPlacerUIController.cs b/Content.Client/UserInterface/Systems/DecalPlacer/DecalPlacerUIController.cs
new file mode 100644
index 0000000000..5f1914a462
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/DecalPlacer/DecalPlacerUIController.cs
@@ -0,0 +1,84 @@
+using Content.Client.Decals.UI;
+using Content.Client.Gameplay;
+using Content.Client.Sandbox;
+using Content.Shared.Decals;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controllers;
+using Robust.Client.UserInterface.Controls;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
+namespace Content.Client.UserInterface.Systems.DecalPlacer;
+
+public sealed class DecalPlacerUIController : UIController, IOnStateExited<GameplayState>, IOnSystemChanged<SandboxSystem>
+{
+    [Dependency] private readonly IPrototypeManager _prototypes = default!;
+    [UISystemDependency] private readonly SandboxSystem _sandbox = default!;
+
+    private DecalPlacerWindow? _window;
+
+    public void ToggleWindow()
+    {
+        EnsureWindow();
+
+        if (_window!.IsOpen)
+        {
+            _window.Close();
+        }
+        else if(_sandbox.SandboxAllowed)
+        {
+            _window.Open();
+        }
+    }
+
+    public void OnStateExited(GameplayState state)
+    {
+        if (_window == null)
+            return;
+        _window.Dispose();
+        _window = null;
+    }
+
+    public void OnSystemLoaded(SandboxSystem system)
+    {
+        _sandbox.SandboxDisabled += CloseWindow;
+        _prototypes.PrototypesReloaded += OnPrototypesReloaded;
+    }
+
+    public void OnSystemUnloaded(SandboxSystem system)
+    {
+        _sandbox.SandboxDisabled -= CloseWindow;
+        _prototypes.PrototypesReloaded -= OnPrototypesReloaded;
+    }
+
+    private void OnPrototypesReloaded(PrototypesReloadedEventArgs obj)
+    {
+        ReloadPrototypes();
+    }
+
+    private void ReloadPrototypes()
+    {
+        if (_window == null || _window.Disposed)
+            return;
+
+        var prototypes = _prototypes.EnumeratePrototypes<DecalPrototype>();
+        _window.Populate(prototypes);
+    }
+
+    private void EnsureWindow()
+    {
+        if (_window is { Disposed: false })
+            return;
+        _window = UIManager.CreateWindow<DecalPlacerWindow>();
+        LayoutContainer.SetAnchorPreset(_window, LayoutContainer.LayoutPreset.CenterLeft);
+        ReloadPrototypes();
+    }
+
+    private void CloseWindow()
+    {
+        if (_window == null || _window.Disposed)
+            return;
+
+        _window.Close();
+    }
+}
diff --git a/Content.Client/UserInterface/Systems/EscapeMenu/ChangelogUIController.cs b/Content.Client/UserInterface/Systems/EscapeMenu/ChangelogUIController.cs
new file mode 100644
index 0000000000..55848617a1
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/EscapeMenu/ChangelogUIController.cs
@@ -0,0 +1,42 @@
+using Content.Client.Changelog;
+using JetBrains.Annotations;
+using Robust.Client.State;
+using Robust.Client.UserInterface.Controllers;
+
+namespace Content.Client.UserInterface.Systems.EscapeMenu;
+
+[UsedImplicitly]
+public sealed class ChangelogUIController : UIController
+{
+    private ChangelogWindow _changeLogWindow = default!;
+
+    public void OpenWindow()
+    {
+        EnsureWindow();
+
+        _changeLogWindow.OpenCentered();
+        _changeLogWindow.MoveToFront();
+    }
+
+    private void EnsureWindow()
+    {
+        if (_changeLogWindow is { Disposed: false })
+            return;
+
+        _changeLogWindow = UIManager.CreateWindow<ChangelogWindow>();
+    }
+
+    public void ToggleWindow()
+    {
+        EnsureWindow();
+
+        if (_changeLogWindow.IsOpen)
+        {
+            _changeLogWindow.Close();
+        }
+        else
+        {
+            OpenWindow();
+        }
+    }
+}
diff --git a/Content.Client/UserInterface/Systems/EscapeMenu/EscapeUIController.cs b/Content.Client/UserInterface/Systems/EscapeMenu/EscapeUIController.cs
new file mode 100644
index 0000000000..bc3c65f281
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/EscapeMenu/EscapeUIController.cs
@@ -0,0 +1,114 @@
+using Content.Client.Gameplay;
+using Content.Client.HUD;
+using Content.Client.Info;
+using Content.Client.Links;
+using Content.Client.UserInterface.Controls;
+using JetBrains.Annotations;
+using Robust.Client.Console;
+using Robust.Client.Input;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controllers;
+using Robust.Shared.Input;
+using Robust.Shared.Input.Binding;
+using Robust.Shared.Utility;
+using static Robust.Client.UserInterface.Controls.BaseButton;
+
+namespace Content.Client.UserInterface.Systems.EscapeMenu;
+
+[UsedImplicitly]
+public sealed class EscapeUIController : UIController, IOnStateEntered<GameplayState>, IOnStateExited<GameplayState>
+{
+    [Dependency] private readonly IClientConsoleHost _console = default!;
+    [Dependency] private readonly IUriOpener _uri = default!;
+    [Dependency] private readonly IGameHud _gameHud = default!;
+
+    private Options.UI.EscapeMenu? _escapeWindow;
+
+    public void OnStateEntered(GameplayState state)
+    {
+        DebugTools.Assert(_escapeWindow == null);
+        _gameHud.EscapeButtonToggled += GameHudOnEscapeButtonToggled;
+
+        _escapeWindow = UIManager.CreateWindow<Options.UI.EscapeMenu>();
+        _escapeWindow.OnClose += () => { _gameHud.EscapeButtonDown = false; };
+        _escapeWindow.OnOpen +=  () => { _gameHud.EscapeButtonDown = true; };
+
+        _escapeWindow.ChangelogButton.OnPressed += _ =>
+        {
+            CloseEscapeWindow();
+            UIManager.GetUIController<ChangelogUIController>().ToggleWindow();
+        };
+
+        _escapeWindow.RulesButton.OnPressed += _ =>
+        {
+            CloseEscapeWindow();
+            new RulesAndInfoWindow().Open();
+        };
+
+        _escapeWindow.DisconnectButton.OnPressed += _ =>
+        {
+            CloseEscapeWindow();
+            _console.ExecuteCommand("disconnect");
+        };
+
+        _escapeWindow.OptionsButton.OnPressed += _ =>
+        {
+            CloseEscapeWindow();
+            UIManager.GetUIController<OptionsUIController>().OpenWindow();
+        };
+
+        _escapeWindow.QuitButton.OnPressed += _ =>
+        {
+            CloseEscapeWindow();
+            _console.ExecuteCommand("quit");
+        };
+
+        _escapeWindow.WikiButton.OnPressed += _ =>
+        {
+            _uri.OpenUri(UILinks.Wiki);
+        };
+
+        CommandBinds.Builder
+            .Bind(EngineKeyFunctions.EscapeMenu,
+                InputCmdHandler.FromDelegate(_ => ToggleWindow()))
+            .Register<EscapeUIController>();
+    }
+
+    private void GameHudOnEscapeButtonToggled(bool obj)
+    {
+        ToggleWindow();
+    }
+
+    public void OnStateExited(GameplayState state)
+    {
+        if (_escapeWindow != null)
+        {
+            _escapeWindow.Dispose();
+            _escapeWindow = null;
+        }
+        _gameHud.EscapeButtonToggled -= GameHudOnEscapeButtonToggled;
+        _gameHud.EscapeButtonDown = false;
+
+        CommandBinds.Unregister<EscapeUIController>();
+    }
+
+    private void CloseEscapeWindow()
+    {
+        _escapeWindow?.Close();
+    }
+
+    private void ToggleWindow()
+    {
+        if (_escapeWindow == null)
+            return;
+
+        if (_escapeWindow.IsOpen)
+        {
+            CloseEscapeWindow();
+        }
+        else
+        {
+            _escapeWindow.OpenCentered();
+        }
+    }
+}
diff --git a/Content.Client/UserInterface/Systems/EscapeMenu/OptionsUIController.cs b/Content.Client/UserInterface/Systems/EscapeMenu/OptionsUIController.cs
new file mode 100644
index 0000000000..89b0edea42
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/EscapeMenu/OptionsUIController.cs
@@ -0,0 +1,42 @@
+using Content.Client.Options.UI;
+using JetBrains.Annotations;
+using Robust.Client.State;
+using Robust.Client.UserInterface.Controllers;
+
+namespace Content.Client.UserInterface.Systems.EscapeMenu;
+
+[UsedImplicitly]
+public sealed class OptionsUIController : UIController
+{
+    private OptionsMenu _optionsWindow = default!;
+
+    private void EnsureWindow()
+    {
+        if (_optionsWindow is { Disposed: false })
+            return;
+
+        _optionsWindow = UIManager.CreateWindow<OptionsMenu>();
+    }
+
+    public void OpenWindow()
+    {
+        EnsureWindow();
+
+        _optionsWindow.OpenCentered();
+        _optionsWindow.MoveToFront();
+    }
+
+    public void ToggleWindow()
+    {
+        EnsureWindow();
+
+        if (_optionsWindow.IsOpen)
+        {
+            _optionsWindow.Close();
+        }
+        else
+        {
+            OpenWindow();
+        }
+    }
+}
diff --git a/Content.Client/UserInterface/Systems/Sandbox/SandboxUIController.cs b/Content.Client/UserInterface/Systems/Sandbox/SandboxUIController.cs
new file mode 100644
index 0000000000..29e2c8fc35
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/Sandbox/SandboxUIController.cs
@@ -0,0 +1,149 @@
+using Content.Client.Gameplay;
+using Content.Client.HUD;
+using Content.Client.Markers;
+using Content.Client.Sandbox;
+using Content.Client.SubFloor;
+using Content.Client.UserInterface.Systems.DecalPlacer;
+using Content.Client.UserInterface.Systems.Sandbox.Windows;
+using Content.Shared.Input;
+using JetBrains.Annotations;
+using Robust.Client.Debugging;
+using Robust.Client.Graphics;
+using Robust.Client.Input;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controllers;
+using Robust.Client.UserInterface.Controllers.Implementations;
+using Robust.Client.UserInterface.Controls;
+using Robust.Shared.Input.Binding;
+using Robust.Shared.Map;
+using Robust.Shared.Players;
+using Robust.Shared.Utility;
+
+namespace Content.Client.UserInterface.Systems.Sandbox;
+
+// TODO hud refactor should part of this be in engine?
+[UsedImplicitly]
+public sealed class SandboxUIController : UIController, IOnStateChanged<GameplayState>, IOnSystemChanged<SandboxSystem>
+{
+    [Dependency] private readonly IEyeManager _eye = default!;
+    [Dependency] private readonly IInputManager _input = default!;
+    [Dependency] private readonly ILightManager _light = default!;
+    [Dependency] private readonly IGameHud _gameHud = default!;
+
+    [UISystemDependency] private readonly DebugPhysicsSystem _debugPhysics = default!;
+    [UISystemDependency] private readonly MarkerSystem _marker = default!;
+    [UISystemDependency] private readonly SandboxSystem _sandbox = default!;
+    [UISystemDependency] private readonly SubFloorHideSystem _subfloorHide = default!;
+
+    private SandboxWindow? _window;
+
+    // TODO hud refactor cache
+    private EntitySpawningUIController EntitySpawningController => UIManager.GetUIController<EntitySpawningUIController>();
+    private TileSpawningUIController TileSpawningController => UIManager.GetUIController<TileSpawningUIController>();
+    private DecalPlacerUIController DecalPlacerController => UIManager.GetUIController<DecalPlacerUIController>();
+
+    public void OnStateEntered(GameplayState state)
+    {
+        DebugTools.Assert(_window == null);
+        EnsureWindow();
+        _gameHud.SandboxButtonToggled += GameHudOnSandboxButtonToggled;
+
+        _input.SetInputCommand(ContentKeyFunctions.OpenEntitySpawnWindow,
+            InputCmdHandler.FromDelegate(_ => EntitySpawningController.ToggleWindow()));
+        _input.SetInputCommand(ContentKeyFunctions.OpenSandboxWindow,
+            InputCmdHandler.FromDelegate(_ => ToggleWindow()));
+        _input.SetInputCommand(ContentKeyFunctions.OpenTileSpawnWindow,
+            InputCmdHandler.FromDelegate(_ => TileSpawningController.ToggleWindow()));
+        _input.SetInputCommand(ContentKeyFunctions.OpenDecalSpawnWindow,
+            InputCmdHandler.FromDelegate(_ => DecalPlacerController.ToggleWindow()));
+
+        CommandBinds.Builder
+            .Bind(ContentKeyFunctions.EditorCopyObject, new PointerInputCmdHandler(Copy))
+            .Register<SandboxSystem>();
+    }
+
+    private void EnsureWindow()
+    {
+        if(_window is { Disposed: false })
+            return;
+        _window = UIManager.CreateWindow<SandboxWindow>();
+        _window.OnClose += () => { _gameHud.SandboxButtonDown = false; };
+        _window.OnOpen += () => { _gameHud.SandboxButtonDown = true; };
+        _window.ToggleLightButton.Pressed = !_light.Enabled;
+        _window.ToggleFovButton.Pressed = !_eye.CurrentEye.DrawFov;
+        _window.ToggleShadowsButton.Pressed = !_light.DrawShadows;
+        _window.ToggleSubfloorButton.Pressed = _subfloorHide.ShowAll;
+        _window.ShowMarkersButton.Pressed = _marker.MarkersVisible;
+        _window.ShowBbButton.Pressed = (_debugPhysics.Flags & PhysicsDebugFlags.Shapes) != 0x0;
+
+        _window.RespawnButton.OnPressed += _ => _sandbox.Respawn();
+        _window.SpawnTilesButton.OnPressed += _ => TileSpawningController.ToggleWindow();
+        _window.SpawnEntitiesButton.OnPressed += _ => EntitySpawningController.ToggleWindow();
+        _window.SpawnDecalsButton.OnPressed += _ => DecalPlacerController.ToggleWindow();
+        _window.GiveFullAccessButton.OnPressed += _ => _sandbox.GiveAdminAccess();
+        _window.GiveAghostButton.OnPressed += _ => _sandbox.GiveAGhost();
+        _window.ToggleLightButton.OnToggled += _ => _sandbox.ToggleLight();
+        _window.ToggleFovButton.OnToggled += _ => _sandbox.ToggleFov();
+        _window.ToggleShadowsButton.OnToggled += _ => _sandbox.ToggleShadows();
+        _window.SuicideButton.OnPressed += _ => _sandbox.Suicide();
+        _window.ToggleSubfloorButton.OnPressed += _ => _sandbox.ToggleSubFloor();
+        _window.ShowMarkersButton.OnPressed += _ => _sandbox.ShowMarkers();
+        _window.ShowBbButton.OnPressed += _ => _sandbox.ShowBb();
+        _window.MachineLinkingButton.OnPressed += _ => _sandbox.MachineLinking();
+    }
+
+    private void GameHudOnSandboxButtonToggled(bool pressed)
+    {
+        ToggleWindow();
+    }
+
+    public void OnStateExited(GameplayState state)
+    {
+        if (_window != null)
+        {
+            _window.Dispose();
+            _window = null;
+        }
+
+        _gameHud.SandboxButtonToggled -= GameHudOnSandboxButtonToggled;
+        _gameHud.SandboxButtonDown = false;
+
+        CommandBinds.Unregister<SandboxSystem>();
+    }
+
+    public void OnSystemLoaded(SandboxSystem system)
+    {
+        system.SandboxDisabled += CloseAll;
+    }
+
+    public void OnSystemUnloaded(SandboxSystem system)
+    {
+        system.SandboxDisabled -= CloseAll;
+    }
+
+    private void CloseAll()
+    {
+        _window?.Close();
+        EntitySpawningController.CloseWindow();
+        TileSpawningController.CloseWindow();
+    }
+
+    private bool Copy(ICommonSession? session, EntityCoordinates coords, EntityUid uid)
+    {
+        return _sandbox.Copy(session, coords, uid);
+    }
+
+    private void ToggleWindow()
+    {
+        if (_window == null)
+            return;
+        if (_sandbox.SandboxAllowed && _window.IsOpen != true)
+        {
+            _window.OpenCentered();
+        }
+        else
+        {
+            _window.Close();
+        }
+    }
+}
diff --git a/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml b/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml
new file mode 100644
index 0000000000..64367ea27a
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml
@@ -0,0 +1,22 @@
+<windows:SandboxWindow
+    xmlns="https://spacestation14.io"
+    xmlns:windows="clr-namespace:Content.Client.UserInterface.Systems.Sandbox.Windows"
+    Title="{Loc sandbox-window-title}"
+    Resizable="False">
+    <BoxContainer Orientation="Vertical" SeparationOverride="4">
+        <Button Name="RespawnButton" Access="Public" Text="{Loc sandbox-window-respawn-button}"/>
+        <Button Name="SpawnEntitiesButton" Access="Public" Text="{Loc sandbox-window-spawn-entities-button}"/>
+        <Button Name="SpawnTilesButton" Access="Public" Text="{Loc sandbox-window-spawn-tiles-button}"/>
+        <Button Name="SpawnDecalsButton" Access="Public" Text="{Loc sandbox-window-spawn-decals-button}"/>
+        <Button Name="GiveFullAccessButton" Access="Public" Text="{Loc sandbox-window-grant-full-access-button}"/>
+        <Button Name="GiveAghostButton" Access="Public" Text="{Loc sandbox-window-ghost-button}"/>
+        <Button Name="ToggleLightButton" Access="Public" Text="{Loc sandbox-window-toggle-lights-button}" ToggleMode="True"/>
+        <Button Name="ToggleFovButton" Access="Public" Text="{Loc sandbox-window-toggle-fov-button}" ToggleMode="True"/>
+        <Button Name="ToggleShadowsButton" Access="Public" Text="{Loc sandbox-window-toggle-shadows-button}" ToggleMode="True"/>
+        <Button Name="ToggleSubfloorButton" Access="Public" Text="{Loc sandbox-window-toggle-subfloor-button}" ToggleMode="True"/>
+        <Button Name="SuicideButton" Access="Public" Text="{Loc sandbox-window-toggle-suicide-button}" ToggleMode="True"/>
+        <Button Name="ShowMarkersButton" Access="Public" Text="{Loc sandbox-window-show-spawns-button}" ToggleMode="True"/>
+        <Button Name="ShowBbButton" Access="Public" Text="{Loc sandbox-window-show-bb-button}" ToggleMode="True"/>
+        <Button Name="MachineLinkingButton" Access="Public" Text="{Loc sandbox-window-link-machines-button}" ToggleMode="True"/>
+    </BoxContainer>
+</windows:SandboxWindow>
diff --git a/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml.cs b/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml.cs
new file mode 100644
index 0000000000..08431a2970
--- /dev/null
+++ b/Content.Client/UserInterface/Systems/Sandbox/Windows/SandboxWindow.xaml.cs
@@ -0,0 +1,14 @@
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.UserInterface.Systems.Sandbox.Windows;
+
+[GenerateTypedNameReferences]
+public sealed partial class SandboxWindow : DefaultWindow
+{
+    public SandboxWindow()
+    {
+        RobustXamlLoader.Load(this);
+    }
+}