Source 2 Documentation

General documentation and guides for the Source 2 engine.
If you need game-specific guides, see the navigation section at the bottom of the page.

General

Tutorial on how to port Source content to Source 2.

Step-by-step guides on a variety of topics.

Getting involved with the modding community.

Learn how to create levels using Hammer.

Creating 3D models for Source 2.

Using the Postprocessing Editor to add postprocessing effects.

Official tools made by Valve for their games.

Useful developer tools created by the community.

List of Featured Documentation Indices
Engines	GoldSrc Source Source 2
Workshop tools	Dota 2 SteamVR Home Half-Life: Alyx Counter-Strike 2
Software-specific	Source Filmmaker Team Fortress 2 Left 4 Dead 2 Portal 2 Half-Life 2
Didn't find the software you wanted? See the full list →