Hammer Editor Documentation

The Valve Hammer Editor is a 3D design tool used for creating levels for Source engine games. Geometry and gameplay elements can both be created using Hammer.

Getting Started

Introduction to Editing - A introduction to the basic principles of editing with the Hammer Editor.

What's New - New features of the Valve Hammer Editor for Source.

Hammer Reference

Menus - Reference guide to the menus and their contents.

Dialogs - Reference guide to various dialog boxes.

Toolbars - Description of the toolbars and their icons.

Hotkey Reference - Listing of all keyboard shortcuts.

See Also

Source Mapping Conversion - For users familiar with the Half-Life 1 Map Editing Tools.

Source SDK FAQ - Information to help solve some common problems.

SDK Release Notes - Find out about current known issues in the Source SDK.