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SOURCE 2 · C#
Build and play games with s&box.

Facepunch's game engine and creation platform — make games in C#, or jump straight into community games.

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NOT AFFILIATED WITH FACEPUNCH STUDIOS · © 2026 s&box Wiki (community)
Docs/Code
Code

Code Basics

The essentials for writing C# in s&box.

Cheat Sheet

Common one-liners for logging, transforms, GameObjects and Components.

Math Types

Vectors, rotations, angles and transforms.

Time

Time.Delta, Time.Now, and the TimeSince / TimeUntil helpers.

IsValid

Why != null isn't enough once something has been destroyed.

Console Variables

Making commands and variables you can run from the console.

Api Whitelist

Which .NET APIs are blocked, and what to use instead.

Source: Facepunch/sbox-docs (CC-BY-4.0) · updated 2026-08-03. Read it rendered on the official docs.

More in Code

Advanced Topics
Api Whitelist
Cheat Sheet
Code
Code Generation
Console Variables
Hotloading
IsValid
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Community wiki — not affiliated with Facepunch Studios. For the latest and most authoritative information, see the official developer wiki.