unbaked
4,525 games · 8,272 projectsupdated 2026-10-12

Code links only. Bring your own copy of the game. Rules

DOSDOS · 1991 · platformer

Commander Keen in Goodbye, Galaxy!

Commander Keen in Goodbye, Galaxy! (DOS, 1991) has an open-source reimplementation, sulix/omnispeak, and 2 other public projects, including a matching decompilation and a decompilation.

Projects

ReimplementationC / SDL2316 starspushed 2026-07-12GPL-2.0 licenserelease v1.1

An open-source re-implementation of "Commander Keen in Goodbye Galaxy"

Accurate open-source reimplementation of Keen 4-6 (demo-compatible).

Matching decomp · DecompBorland C++ 2.0/3.0 reconstruction (K1n9_Duk3 et al.)26 starspushed 2023-10-07GPL-2.0 license

Commander Keen source code reproduction mirror

Source code reproduction that rebuilds the original EXEs (mirror).

Source portBorland C24 starspushed 2024-01-14GPL-2.0 license

Commander Keen 4 Tandy 320x200 16 color source code port

Tandy 16-colour port of reconstructed source.

What you need

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

More on DOS

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