About

Small, functional and simple source ports, created with help, efforts and bits of code from people around the world.
The project is based on Chocolate Doom and Crispy Doom, with significant additions from DOOM Retro.

The project is created by Julia Nechaevskaya.

Download

International Doom, version 8.0 (released: October 6, 2024):

• Windows (64-bit): inter-doom-8.0-win64.zip
• Windows (32-bit): inter-doom-8.0-win32.zip

International Heretic, version 8.0 (released: October 6, 2024):

• Windows (64-bit): inter-heretic-8.0-win64.zip
• Windows (32-bit): inter-heretic-8.0-win32.zip

International Hexen, version 8.0 (released: October 6, 2024):

• Windows (64-bit): inter-hexen-8.0-win64.zip
• Windows (32-bit): inter-hexen-8.0-win32.zip

_{Note for XP users: Service Pack 3 and Microsoft Visual C++ 2015-2019 Redistributable for x86 systems are required. SSE2 compatible CPU is required as well.}

Major features

• Optional True Color render.
• Up to x6 (1200p) rendering resolutions.
• Uncapped framerate.
• Additional, darker gamma-correction levels.
• Support for OPL2, OPL3, MIDI, Fluidsynth and GUS music playback.
• In-game keyboard and mouse bindings.
• Various visual, audible, physical and demo enhancements.
• Compatibility with vanilla-engine demos.
• Removed limitations of vanilla engine.
• Support for nodes in extended format (ZDBSP and DeePBSP).
• Support for BEX/DEHEXTRA DeHackEd extensions.

Note: BOOM/MBF/MBF21 specifications are not supported.

License

International Doom is Open Source and licensed under the GNU General Public License v2.