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.

Authoring Tools Installation

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General

Creating a Mod

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Information about creating mods.

Level Design

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Information about creating maps using Hammer.

Sounds

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Adding sounds to an Addon in Portal 2.

Puzzle Maker

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Information about the in-game puzzle editor.

FGD

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Forge Game Data file containing game-specific entities.

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