Portal 2 Documentation

Documentation for Portal 2, and links to tools which allow users to create custom addon content (maps, puzzles, 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 Authoring Tools and how to install them.

Modding

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A complete guide to creating mods.

Level Design

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Guides for creating custom maps using Hammer.

Sounds

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Adding sounds to an Addon in Portal 2.

Puzzle Maker

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Overview and documentation for the puzzle editor.

FGD

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Forge Game Data file containing game-specific entities.

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