Chex Quest
Chex Quest (DOS, 1996) has an official source code release, id-Software/DOOM. An agent environment already wraps it.
Data checked 2026-10-12 · unbaked registry
Projects
Source releaseC (Doom source ports)19,701 starspushed 2024-05-24GPL-2.0 license
DOOM Open Source Release
Chex Quest is a Doom total conversion; engine code is the GPL Doom source; Chex Quest data distributed free as cereal promo (not openly licensed).
What you need
Free game data is included with at least one project.
Agent environments
More on DOS
GameMethodYearStarsLast push
DOSDoomSource releaseMatching decomp+8199320k2026-10-12DOSCommand & Conquer: Red AlertSource releaseReimplementation+3199618k2026-10-11DOSCommand & ConquerSource releaseReimplementation+2199518k2026-10-12DOSTransport Tycoon DeluxeReimplementationDisassembly+119958.4k2026-10-12DOSQuakeSource releaseMatching decomp+419966.1k2026-10-12DOSSimCity 2000Static recompReimplementation+119935.3k2026-10-11DOSThe Elder Scrolls II: DaggerfallMatching decompReimplementation+119963.5k2026-10-07DOSHeroes of Jin Yong (金庸群侠传)Reimplementation19963.0k2026-10-06Found via en.wikipedia.org/wiki/Chex_Quest
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.