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Documentation Index

Fetch the complete documentation index at: https://mintlify.com/Facepunch/sbox-public/llms.txt

Use this file to discover all available pages before exploring further.

s&box is a modern game engine built on Valve’s Source 2 and the latest .NET technology. Write gameplay code in C#, build scenes visually in the editor, and deploy multiplayer games with built-in networking.

Installation

Get the editor from Steam or build from source

Your first project

Create a scene, add components, and run your first game

Core concepts

Scenes, GameObjects, and the component model

API reference

Full engine API surface