C64Commodore 64/8-bit · 1992 · Run and gun
Alien 3
Alien 3 (Commodore 64/8-bit, 1992) has an official source code release, milkeybabes/Alien3-C64, and 1 other public project.
Data checked 2026-10-12 · unbaked registry
Projects
Alien3 Commodore C64 Source Code
6502 source: ORIGINAL
Wikipedia: source-available (non-OSI license and/or partial SDK code); source released 2019 by/for Probe Software. On May 19, 2019, Michael J. Archer uploaded the source code for the Commodore 64 version of the game to GitHub.
What you need
You need your own copy of the game: these projects ship code only.
More on Commodore 64/8-bit
Found via realdmx/retrore, en.wikipedia.org/wiki/List_of_commercial_video_g, vintageisthenewold.com/commodore-64-developer-of
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.