NetRadiant-Custom

6.9easy start · #4 of 24
in Game Modding Tools

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

Runs on Linux, Mac, Windows.

NetRadiant-Custom is ranked #4 of 24 in game modding tools on The Geeks Club. It runs on Linux, macOS, Windows. There is a free plan.

NetRadiant-Custom plans and pricing

All plans

Free Free Open-source level editor; ready-to-use packages in Releases github.com · 29 Sept 2026

Compared on game modding tools

Free plan: Yes
Archive extraction: Yes
Mod packaging: Yes
Script editing: Yes
Supported formats: .map, .bsp, .pk3, .dpk, .dpkdir, Valve 220, brush primitives, axial projection, .def, .ent, .fgd
Supported platforms: Windows, macOS, Linux

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The record

Purpose: NetRadiant-Custom is an open-source, cross-platform level editor for id Tech based games.
Project lineage: The project describes itself as a fork of NetRadiant, following GtkRadiant 1.4, a rewrite, version 1.5, and NetRadiant.
Target games: Its main focus is Quake, Quake 3, and Quake Live, and releases include configurations for many additional games.
3D editing: The editor supports brush and entity creation and manipulation in the 3D view.
Geometry tools: Listed tools include vertex editing, brush face extrusion, patch thickening, and a CSG shell modifier.
Texture editing: Features include a UV tool for texture alignment, drag painting, texture paste between brush faces and patches, and texture locking during vertex and edge manipulation.
Customization: Users can customize keyboard shortcuts, GUI themes, and fonts.
Rendering: The project lists anisotropic texture filtering and optional MSAA in viewports.
Map compilation: Working region compilations build only the regioned part of a map when region mode is enabled.
Q3Map2: The bundled Q3Map2 feature list includes an automatic map packager and support for importing and exporting BSP as JSON.
Model formats: The Q3Map2 feature list says its Assimp model-loading library supports more than 40 formats.
Downloads: The project points users to its Releases section for ready-to-use packages.
Latest build: The Releases page identifies a Latest Build released on January 14 and lists four assets.
Security: The repository page shows a Security and quality section with 0.
Price from: Free

Where it ranks on The Geeks Club

Best Game Modding Tools in 2026#4 of 24

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Sources

github.com/Garux/netradiant-custom· checked 29 Sept 2026
github.com/Garux/netradiant-custom/releases· checked 29 Sept 2026