s&box is a modern game engine, built on Valve's Source 2 and the latest .NET technology, it provides a modern intuitive editor for creating games

A staging area for the scene system

A highly customisable but simple to use weapon base for S&Box

Official documentation for s&box

Toon Shader with Global Illumination. Ported to s&box (Source 2).

Trouble in Terry's Town gamemode for the Source2 game "s&box" by Facepunch.

Wire for S&Box. Early WIP.

A worms-inspired artillery game for s&box with randomly generated levels.

An open source and expandable administration framework for your S&box servers and addons.

Half-Life remade in source 2, via s&box

Claude Code skill for s&box game development. Schema-verified API reference, 10 runnable examples, zero Unity hallucinations

👾 A first person sample project made for s&box.

Historical version of My Summer Cottage submitted to the Facepunch Game Jam 1

A community-driven successor to GMod's Sandbox, built on s&box.

S&box Access — complete guide to obtaining and activating access to S&box early access and private beta by Facepunch Studios. Includes invite request tips, Steam key activation, account setup, and troubleshooting access issues. Updated for 2026.

Quixel bridge tool for s&box

TTT is a mafia-esque multiplayer game created using s&box

Open-source website with beginner-friendly tutorials on s&box shaders: from noob, for noobs. Work in progress!

Game Boy Advance emulator for s&box

Verilog Implementation of SM4 s-box