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DOSDOS · 1990 · platformer

Commander Keen in Invasion of the Vorticons

Commander Keen in Invasion of the Vorticons (DOS, 1990) has an open-source reimplementation, gerstrong/Commander-Genius, and 7 other public projects, including a matching decompilation and a decompilation.

Data checked 2026-10-12 · unbaked registry

Projects

Batocera port package 'cgenius'
ReimplementationBuildroot package in batocera.linux (package/batocera/ports)223 starspushed 2026-09-30custom license

Modern Interpreter for the Commander Keen (Vorticon Dreams and Galaxy) and also Cosmos Cosmic Adventure games. This is a mirror repo: The main gitlab repository is at: https://gitlab.com/Dringgstein/…

Shipped as a built-in 'port' in Batocera Linux (master, 2026-10)

Chocolate Keen
ReimplementationC/C++ / SDL83 starspushed 2026-03-28no licenserelease v0.0.1-test3

Chocolate Keen is a reverse engineering of Commander Keen in C/C++ and SDL. The goal is to be super accurate versus the original

Reverse-engineering of Keen 1-3 aiming at exact behaviour.

CloneKeen
ReimplementationC/C++9 starspushed 2019-12-28GPL-3.0 license

A very nearly complete clone of classic DOS game Commander Keen, written in C/C++

Near-complete clone (mirror).

Commander Genius
Reimplementation

dropped from awesome-decomp-games: awesome-game-remakes-only, <

CloneKeen
ReimplementationC, SDL

Complete; predecessor of Commander Genius

Keen 1-3 reconstructed source (K1n9_Duk3)
Matching decompTurbo C++ 1.00 + LZEXE/PKLITE; matches original EXEs

Released Dec 2025 (Keen 35th anniversary) on PCKF under GPL; byte-identical rebuilds; author not on GitHub.

Reconstructed Commander Keen 1-3
DecompTurbo C (DOS)

Reconstructed source published on PCKF forum

Reconstructed Commander Keen 1-3
Source portC++, Assembly

OSGC status: playable; development: halted; game already in catalog; this project is a different project type for it

What you need

You need your own copy of the game: these projects ship code only.

More on DOS

GameMethodYearStarsLast push
DOSDoomSource releaseMatching decomp+8199320k2026-10-12DOSChex QuestSource release199620k2024-05-24DOSCommand & 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+119963.5k2026-10-07

Found via batocera-linux/batocera.linux/tree/master/packag, SubmitGame/awesome-decomp-games/blob/main/data/d, radek-sprta/awesome-game-remakes, osgameclones.com/, pckf.com/viewtopic.php?t=18248

GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.