Half-Life 2 Documentation

Documentation for Half-Life 2, and links to tools which allow users to create custom addon content (maps, weapons, and more).
Please note that the articles in this section assume that you already have experience with the Source SDK.

General

Introduction

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A brief introduction to the SDK and how to install it

Addon Publishing

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A guide to publishing addons on the Steam Workshop

Level Design

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Guides for creating custom maps using Hammer

Modeling

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Guides for creating or porting models for Half-Life 2

FGD

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Forge Game Data file containing game-specific entities

Navigation

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
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