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The s&box editor is where you build your game. It provides panels for managing assets, editing scenes, inspecting objects, and running your game — all in one environment.

Opening the editor

Launch the editor in one of these ways:
  • Start s&box editor from your Steam library
  • Run sbox-dev.exe from the install folder
  • Double-click a .sbproj file to open that project directly

Main panels

The editor is organized into dockable panels. You can rearrange, resize, or close any of them. Closed panels can be reopened from the View menu.
PanelPurpose
Scene hierarchyTree view of all GameObjects in the current scene. Right-click to create, delete, or reparent objects.
InspectorShows the properties of the selected GameObject or asset. Use it to add components and edit their values.
Asset BrowserLists all assets in your project — scenes, models, materials, sounds, and more. Double-click to open an asset.
Scene viewportThe 3D view of your scene. Use it to select, move, rotate, and scale objects.
ConsoleDisplays log output, warnings, and errors from your game and editor code.

The toolbar

The toolbar at the top of the editor contains controls for:
  • Play / Stop — Enter and exit play mode
  • Transform gizmo — Switch between Translate, Rotate, and Scale tools
  • Coordinate space — Toggle between World and Local transform space

Play mode

Click Play to run your game inside the editor. The scene viewport becomes the game view. Click Stop to return to edit mode.
s&box supports hot reload — you can edit C# code while the game is running and most changes take effect without stopping play mode.

Editor projects

The editor itself is extensible. You can write an editor project — a folder named editor inside your game project — to add custom tools, panels, inspectors, and apps. See Editor Tools for details.

Keyboard shortcuts

Common shortcuts are listed below. For the full reference, see Shortcuts.
ActionShortcut
Play / StopF5
Translate toolW
Rotate toolE
Scale toolR
Focus selected objectF
Save sceneCtrl+S
DuplicateCtrl+D
DeleteDelete