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A starting point
Limit-removing Doom/Heretic/Hexen variant with optional improvements and higher internal resolutions. Each title requires its own IWAD; palette/render enhancements are optional changes, not vanilla equivalence.
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Limit-removing Doom/Heretic/Hexen variant with optional improvements and higher internal resolutions. Each title requires its own IWAD; palette/render enhancements are optional changes, not vanilla equivalence.
Doomsday enhances Doom/Heretic/Hexen engines under GPL. Required original IWADs remain separate from engine source; per-game plugins and rendering choices need matching setup.
Not documented
What to check in the sources
Required original game edition, region and files.
Documented operating system, architecture, dependencies and controls.
Known limitations and differences between releases and test builds.