DarkRadiant 2.6

DarkRadiant is a free, open-source level editor designed by The Dark Mod team for creating missions for The Dark Mod and other idTech 4–based games. Built on the familiar Radiant workflow, it offers precise brush and patch modeling, robust entity and prefab management, and a powerful set of tools tailored to stealth mission design. Authors can visualize lighting, sound, and visibility, organize work with layers and filtering, and validate maps to catch errors early. DarkRadiant includes The Dark Mod–specific features such as an Objectives Editor and Stim/Response setup, along with material and model browsers to streamline asset use. It runs on Windows and Linux and is actively maintained by The Dark Mod community.

Key features:

• Radiant-style interface with 2D orthographic views and a real-time 3D camera
• Brush, CSG, and patch modeling with precise snapping and transformation tools
• Entity, prefab, model, and material/shader browsers with previews
• The Dark Mod–specific tools including Objectives and Stim/Response editors
• Visualization aids for lighting, sound, areas, and visportals
• Layers, groups, and advanced filtering for large-scene organization
• Map validation tools to detect leaks, degenerate geometry, and common errors
• Packaging support to prepare missions for distribution

Developed and maintained by The Dark Mod team, DarkRadiant helps creators build optimized, immersive levels efficiently.

DarkRadiant is developed by The Dark Mod. The most popular version of this product among our users is 2.6. The name of the program executable file is DarkRadiant.exe.