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TrenchBroom
Free 3D level editor for Quake-style brush-based maps
open-source Solo-dev friendly
TrenchBroom is a free, open-source 3D level editor for Quake-engine maps and similar BSP-based games. Intuitive brush-based editing in a modern interface. Great for retro FPS games and any project using brush geometry.
Highlights
- + Best-in-class brush-based 3D level editing
- + Modern UI with real-time 3D preview
- + Supports Quake, Half-Life, and similar engines
- + Active community creating retro FPS games
Limitations
- − BSP/brush-based only — not general 3D level design
- − Primarily for retro-style FPS games
- − Requires understanding of brush geometry concepts
Platforms
Windows macOS Linux