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GtkRadiant

The open source, cross platform level editor for id Tech games.

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Overview

GtkRadiant is an open-source level editor for games based on the id Tech series of engines, such as Quake III Arena and Return to Castle Wolfenstein. It provides a comprehensive set of tools for creating and editing levels using a brush-based workflow.

✨ Key Features

  • Brush-based (CSG) geometry editing
  • Entity placement and editing
  • Texture and shader tools
  • 3D and 2D views
  • Support for a wide range of id Tech games
  • Open source and cross-platform

🎯 Key Differentiators

  • Long history and wide support for various id Tech games
  • Open source and community-driven
  • Powerful and flexible toolset

Unique Value: Provides a free and powerful toolset for creating levels for a wide range of classic id Tech games, with a long legacy and a dedicated community.

🎯 Use Cases (3)

Creating custom maps for id Tech engine games Modding classic FPS games Learning traditional level design techniques

✅ Best For

  • Used to create a vast number of custom maps for the Quake III Arena community and other id Tech games

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Creating levels for modern game engines
  • Workflows that are not based on brush geometry

🏆 Alternatives

TrenchBroom NetRadiant-Custom

While older than some alternatives, it has a very extensive list of supported games and a wealth of community knowledge available.

💻 Platforms

Desktop (Windows, macOS, Linux)

✅ Offline Mode Available

🔌 Integrations

Quake III Arena Return to Castle Wolfenstein Star Wars Jedi Knight II: Jedi Outcast And many other id Tech 3 and 4 games

🛟 Support Options

  • ✓ Live Chat

🔒 Compliance & Security

✓ GDPR

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Completely free and open source.

Visit GtkRadiant Website →