DarkRadiant is an overhauled version originally based on GtkRadiant designed for use with The Dark Mod (www.thedarkmod.com), a Thief-inspired modification of the Doom 3 game engine.

The project is open source (written in C++), you can obtain or browse the sources from the GitHub project page.


Massive improvements have been made since development started: large parts of the code have already been refactored, improved or fully replaced by superior code. DarkRadiant supports the major platforms:

  • Windows (Vista / Win7 / Win8 / Win8.1 / Win10)
  • Linux (supporting wxWidgets based on X)
  • macOS

Feature Highlights include:

  • Media Browser
  • Surface / Patch / Light Inspector
  • Layers, Grouping and Selection Sets
  • Model Scaling
  • Particle Editor incl. realtime Preview
  • Export entire map sections to ASE, LWO and OBJ format
  • Browsers for Models, Entity Classes, Skins, Sounds
  • Support for most idTech4 shader features
  • TexTool (U/V Editing Tool)
  • MD5 Animation Viewer
  • Curve Editing
  • Drag-Manipulation of Brushes, Patches and Lights (Point & Projected)
  • Python Script Interface
  • Game support for: The Dark Mod 2.0, Doom 3, Quake 4, Quake 3, XreaL
  • Imports all kinds of maps in classic Quake/idTech map formats
  • Exports maps to Doom 3 / Quake4 / Quake 3 format
  • Customisable colour schemes
  • English and German localisation

The Dark Mod Editing

Our goal is to provide the TDM fan-mission community with a capable and easy-to-use editor. To achieve this, specialised plugins were developed to assist authors in tackling the complex mission creating tasks:

  • Stim/Response Editor
  • Objectives Editor
  • Difficulty Editor
  • Conversation Editor
  • AI Property Panel
  • Readable Editor incl. Preview
  • AI Head Selector

Download latest Version 3.9.0

Windows Installer

Windows Portable (7z)

Debian / Ubuntu / Kubuntu:

Use OrbWeaver's PPA, or a darkradiant package for Debian, which is usually available after some time in Ubuntu as well.

Linux - All Distributions

Download the Flatpak version from Flathub, or search for it in Discover or GNOME Software.

Compile from Source:

See the Compilation Guide on our Wiki to build DarkRadiant fresh from its sources.