An unofficial, non-commercial fan port of Commander Keen 1: Marooned on Mars (id Software, 1990) for the Commodore 64, in 6502 assembly. Billy Blaze has to find the four stolen parts of his rocket on Mars: walk across the world map, enter the cities and find the exit. Not affiliated with id Software.
Download: commodore-keen.d64 (disk image)
Runs on a PAL or NTSC C64 with 64 KB and a disk drive (1541, SD2IEC, Pi1541, C64 Ultimate) or in VICE
No REU, turbo or cartridge needed
Start with LOAD"*",8,1 and RUN
Free download. Check out for €0 and you will receive the download link by e-mail. The source code is on GitHub.
