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Mapster32
What it is
Mapster32 is a free map editor for creating Duke Nukem 3D maps in .MAP files. It is part of the EDuke32 project and is included with EDuke32. The editor is described as an advanced upgrade of the original BUILD Editor shipped with the game. Its 2D mode handles map layout and object placement, while 3D mode edits textures, heights, and shading. Mapster32 can also create levels for NAM, WWII GI, Redneck Rampage, and other games. Scripting uses a language derived from CON, loaded through .m32 files or the editor console. The tool checks loaded maps for corruption and may repair some cases, although serious corruption can require manual expert resolution. It runs on Windows, Linux, and macOS. The Mapster32 plan is free and comes with EDuke32.
For and against
For
- Free plan included with EDuke32
- 2D layout and 3D editing modes
- Supports several Build-engine games
- Offers .m32 scripting
- Runs on Windows, Linux, and macOS
Against
- Serious corruption may need expert repair
- Designed around .MAP level files
The verdict
Mapster32 combines 2D layout, 3D scene editing, scripting, and map checks in a free EDuke32 tool. It is a focused choice for supported game-level projects.
Who it suits
It suits people creating or editing levels for Duke Nukem 3D and related games. Its scripting, validation, and 2D/3D workflows also fit experienced map editors.
Plans and prices
Mapster32
Included with EDuke32 · for creating Duke Nukem 3D maps
Read 8 Oct 2026 · wiki.eduke32.com
On the record
- Editing modes
- Mapster32 has 2D mode for map layout and object placement and 3D mode for editing textures, heights, and shading.wiki.eduke32.com · read 8 Oct 2026
- Editor
- The wiki describes Mapster32 as a highly advanced upgrade of the original BUILD Editor shipped with the game.wiki.eduke32.com · read 8 Oct 2026
- Included with
- The level editing guide says Mapster32 is included with EDuke32.wiki.eduke32.com · read 8 Oct 2026
- Limit
- The map checking guide says some serious map corruption requires manual expert resolution.wiki.eduke32.com · read 8 Oct 2026
- Map validation
- Mapster32 can check loaded maps for corruption and attempt to repair certain cases.wiki.eduke32.com · read 8 Oct 2026
- Operating systems
- The EDuke32 project site lists Windows, Linux, and macOS among its supported platforms.eduke32.com · read 8 Oct 2026
- Other games
- The level editing guide says Mapster32 can also be used to make levels for NAM, WWII GI, Redneck Rampage, and other games.wiki.eduke32.com · read 8 Oct 2026
- Project
- Mapster32 is part of the EDuke32 project.wiki.eduke32.com · read 8 Oct 2026
- Purpose
- Mapster32 is a tool for creating Duke Nukem 3D maps in .MAP files.wiki.eduke32.com · read 8 Oct 2026
- Scripting
- Mapster32 supports scripts in a language derived from CON, loaded as .m32 files or issued through the editor console.wiki.eduke32.com · read 8 Oct 2026
