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Commander Keen Original Version IBM PC MS-DOS 1990


Commander Keen Original Version



id Software released Commander Keen: Invasion of the Vorticons: Episode One: Marooned On Mars for IBM PC MS-DOS in December of 1990. An innovative and technically impressive platform game, Commander Keen was programmed by John Carmack and John Romero.

Commander Keen is an IBM PC MS-DOS-original and -exclusive game.

Commander Keen displays in double-buffered 16-color EGA 320x200 and features 40 FPS vertical and horizontal screen-scrolling via Carmack's Adaptive Tile Refresh.

Commander Keen requires an 808x CPU, 520K of free conventional RAM and an EGA graphics card with 256K vRAM. Commander Keen was distributed on 1x 5.25" 360kB DS DD floppy disk and installs to hard disk drive via copy *.*. The install size is 400kB.

List of Commander Keen Episodes


  • Commander Keen 1: Marooned on Mars (1990)
  • Commander Keen 2: The Earth Explodes (1990)
  • Commander Keen 3: Keen Must Die (1990)
  • Commander Keen 4: Secret of the Oracle (1991)
  • Commander Keen 5: The Armageddon Machine (1991)
  • Commander Keen 6: Aliens Ate My Babysitter (1991)

Commander Keen 6: Aliens Ate My Babysitter 1991


id Software released Commander Keen: Episode 6: Aliens Ate My Babysitter in 1991. Keen 6 was programmed by John Carmack, John Romero and Jason Blochowiak. Keen 6 displays in 16-color EGA 320x200; its audio supports PC Speaker, AdLib and Sound Blaster.


Keen 6 was distributed on 2x 5.25" 360kB DS DD floppy disks. Keen 6 extracts and installs to hard disk drive via Commander Keen Installation program. The install size is 720kB.

cf. Platform games:



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