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Hammer Editor

The official level editor for Source engine games.

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Overview

The Valve Hammer Editor, commonly known as Hammer, is the official tool for creating levels for games running on the Source engine, such as Half-Life 2, Counter-Strike: Global Offensive, and Team Fortress 2. It uses a brush-based system for creating geometry and allows for the placement of entities to define game logic and events.

✨ Key Features

  • Brush-based (CSG) geometry creation
  • Entity placement and editing
  • Texture application and alignment
  • 3D and 2D views
  • Visgroup system for organizing objects
  • Compilation tools for creating playable maps

🎯 Key Differentiators

  • Official tool for the Source engine
  • Deep integration with Source engine features
  • Large amount of documentation and tutorials from the community

Unique Value: Provides the official and most comprehensive toolset for creating levels for the vast library of Source engine games.

🎯 Use Cases (3)

Creating custom maps for Source engine games Modding Valve games Learning level design principles for classic FPS games

✅ Best For

  • Used to create all the official maps for Valve's Source engine games
  • A vast number of community-made maps have been created with Hammer

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Creating levels for non-Source engine games
  • Modern game development workflows

🏆 Alternatives

Sledge Editor J.A.C.K.

As the official editor, it has the best support and integration with the Source engine's features compared to third-party alternatives.

💻 Platforms

Desktop (Windows)

✅ Offline Mode Available

🔌 Integrations

Source Engine games (Half-Life 2, CS:GO, etc.)

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Free to use with the Source SDK.

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