DarkRadiant

6.9easy start · #7 of 27
in Game Level Editors

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

DarkRadiant is ranked #7 of 27 in game level editors on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

DarkRadiant plans and pricing

All plans

DarkRadiant Free Open-source level editor · requires game resources, which are not installed by the editor darkradiant.net · 4 Oct 2026

Compared on game level editors

Free plan: Yes
Level dimensions: 3d
Entity placement: Yes
Prefab or template tools: Yes

Best DarkRadiant alternatives

See all 20

GridCraft 0 of 4 in the starter kit Lesson 17.3 Remere's Map Editor 0 of 4 in the starter kit Lesson 27.3 LDtk 0 of 4 in the starter kit Lesson 37.1 2D Tiler 0 of 4 in the starter kit Lesson 47.0 Hammer++ 0 of 4 in the starter kit Lesson 57.0 Sprite Fusion 0 of 4 in the starter kit Lesson 67.0

The record

Purpose: DarkRadiant is an open-source level editor for Doom 3 and The Dark Mod.
Other game support: The maker lists game support for The Dark Mod 2.0, Doom 3, Quake 4, Quake 3, and XreaL.
Editing tools: Feature highlights include a media browser, surface, patch and light inspectors, layers, grouping, and selection sets.
Materials and models: The editor includes a particle editor with real-time preview, model scaling, model and skin browsers, and a UV editing tool.
Map formats: DarkRadiant imports classic Quake/idTech map formats and exports maps to Doom 3, Quake 4, and Quake 3 formats.
The Dark Mod tools: Specialised plugins for The Dark Mod include Stim/Response, Objectives, Difficulty, and Conversation editors, plus AI and Readable tools.
Scripting: DarkRadiant provides a Python script interface.
Integrations: The FAQ says users can work with other Doom 3 modifications by specifying the fs_game setting in preferences.
Current release: The download page lists version 3.9.0, dated 2024-03-31, with Windows installer and portable downloads and Linux distribution options.
macOS availability: The FAQ says DarkRadiant compiles on macOS but is not fully tested on that platform.
Game resource requirement: DarkRadiant requires game resources and does not install them; users must point it to a supported game before editing maps.
Support: The project directs users to The Dark Mod forums for discussion and its bugtracker for reporting issues.
Security and compliance: The maker pages reviewed provide no security or compliance claims.
Intended users: The project's stated goal is to provide the fan-mission community with an editor for creating The Dark Mod missions.
Price from: Free

Where it ranks on The Geeks Club

Best Game Level Editors in 2026#7 of 27
Best Game Modding Tools in 2026#9 of 24

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Sources

darkradiant.net· checked 4 Oct 2026
darkradiant.net/about.html· checked 4 Oct 2026
darkradiant.net/faq.html· checked 4 Oct 2026
darkradiant.net/download.html· checked 4 Oct 2026
github.com/codereader/DarkRadiant· checked 4 Oct 2026