Ultimate Doom Builder

Spec sheet

Purpose

Ultimate Doom Builder is a map editor for Doom, Heretic, Hexen, and Strife based games.Read 8 Oct 2026 · github.com

Integrations

The project links to an official forum thread and to Git builds hosted by DRDTeam.org.Read 8 Oct 2026 · github.com

License

The GitHub repository identifies the project license as GPL-3.0.Read 8 Oct 2026 · github.com

32-bit build

The x86 version is available for compatibility with older PCs.Read 8 Oct 2026 · ultimatedoombuilder.github.io

64-bit build

The project recommends the x64 version for most users because it has fewer limits on project size.Read 8 Oct 2026 · ultimatedoombuilder.github.io

Documentation

The README points users to the editor reference manual, Refmanual.chm, for more detailed information.Read 8 Oct 2026 · github.com

Engine support

It works best with ZDoom-family ports and also supports classic engines.Read 8 Oct 2026 · github.com

Graphics requirement

The README specifies a graphics card with OpenGL 3.2 support.Read 8 Oct 2026 · github.com

Latest release

The official download page lists version R4332 dated 06 Oct 2026.Read 8 Oct 2026 · ultimatedoombuilder.github.io

Linux packaging

The README documents building a Flatpak package and installing it with Flatpak.Read 8 Oct 2026 · github.com

Linux support

Linux building is described as experimental, and the developers say Linux users may have to troubleshoot without their support.Read 8 Oct 2026 · github.com

Windows requirements

The README lists Windows 7, 8, 10, or 11 and Microsoft .NET Framework 4.7.2 as requirements.Read 8 Oct 2026 · github.com

Plans and prices

Every Ultimate Doom Builder plan and price →

Where Specifiction places it

• Game Level Editors#25 of 287.0