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SPECIFICTION
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Doom Builder X

github.com

Windows
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Spec score 7.1 #23 of 28 in Game Level Editors

Spec sheet

Purpose
Doom Builder X is a Doom 2 map editor and a fork of Doom Builder 2 focused on maintenance, bug fixes, and responsiveness.Read 8 Oct 2026 · github.com
Product
Doom Builder X is a Doom 2 map editor and a fork of CodeImp's Doom Builder 2.Read 8 Oct 2026 · github.com
Intended users
The project says it is for people who prefer Doom Builder 2’s responsiveness and faster workflow.Read 8 Oct 2026 · github.com
Platforms
The project supports 32-bit Windows XP or newer and says it does not directly support Linux or Mac.Read 8 Oct 2026 · github.com
Security
The 2021.1 release says it updated SharpCompress to version 0.29 to fix a security advisory.Read 8 Oct 2026 · github.com
Support
The release notes ask users who encounter crashes to send the generated BuilderX-lastcrash.cfg file to the maker.Read 8 Oct 2026 · github.com
License
The project is licensed under GPL-3.0, while individual components such as node builders and ACS compilers may have their own licenses.Read 8 Oct 2026 · github.com
Architecture
The README says Doom Builder X is 32-bit and supports Windows XP or newer.Read 8 Oct 2026 · github.com
Downloads
The repository README directs users to GitHub Releases for downloads, and the releases page lists Doom Builder X 2021.1 as the latest release.Read 8 Oct 2026 · github.com
Editing features
Release notes describe 2D and 3D editing modes, geometry drawing, texture browsing, and map testing from a player start at the mouse cursor.Read 8 Oct 2026 · github.com
Features
It includes 2D editing modes, a 3D visual mode, texture browsing, and tools for drawing and editing map geometry.Read 8 Oct 2026 · github.com
Formats and configs
The release notes describe a basic Eternity UDMF configuration and support for Eternity .pke files as resources.Read 8 Oct 2026 · github.com
Limitations
The project says it does not directly support Linux or Mac and notes that running it through WINE may work on some systems.Read 8 Oct 2026 · github.com
Map formats
The project includes an Eternity Engine UDMF configuration and describes support for UDMF map properties.Read 8 Oct 2026 · github.com
Plugin compatibility
The project says some GZDoom Builder plugin compatibility is unstable and that some GZDoom features are simulated to make plugins run.Read 8 Oct 2026 · github.com
Plugins
The 2019.1 release added a Lua plugin and improved support for Visplane Explorer, Tag Range, Stair Builder, Sound Propagation, and Automap plugins.Read 8 Oct 2026 · github.com
Requirements
The listed prerequisites are .NET 3.5, the DirectX 9.0c Runtime, and SlimDX.Read 8 Oct 2026 · github.com

Where Specifiction places it

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