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ZZDoom' is a MiniWikipediaLogoIcon.pngfork of the ZDoom source port by drfrag. It is based off the last developmental revision of ZDoom after its last official release, version 2.9pre and GZDoom 2.4.0. It focuses on enhancing the latest ZDoom codebase with backported features from GZDoom and modern standards.


ZZDoom was released as a response to provide a stable build of the latest developmental revision of ZDoom called 2.9pre. drfrag sought out to provide a enhanced experience by backporting various pieces of code altogether from various forks, resulting in a stable release that deviates significantly from the ZDoom 2.8.1 experience. Alongside various bug fixes, support for new standards like ZScript, DEHEXTRA and UMAPINFO was added. The first and only release was on December 25, 2021 as version 2.9.0.


  • All features from ZDoom 2.9pre and GZDoom 2.4.0 and maint2.4.
  • Fixed software renderer
  • Removed OpenGL renderer
  • ZScript support (version 2.4.0)
    • It is possible through the -nozscript parameter to allow WADs like Eviternity and other Boom-compatible mapsets
  • New wide low resolution modes obtained quadruplicating 1280x720, 1280x768 and 1360x768
  • DEHEXTRA support
  • UMAPINFO support
  • -win_borderless parameter to support a fake fullscreen mode in Windows
  • SNDSEQ limit increased to 4096 sequences
  • Master volume option
  • Additional CVARS: sv_damagefactor, am_unexploredsecretcolor, am_showkeys_always, nocheats, d3d_nogammaramp
  • Requires Windows Vista as minimum and is not intended for older hardware

External links