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Developer Maxis
Publisher Maxis, Electronic Arts
Released 1990
Status Works
Tested on 0.73
Tested game version 1.2
Links Compatibility List
Executable loadfix SIMEARTH.EXE
DOS Extender
DOS4GW.EXE Unknown
Works with DOS32A N/A

SimEarth is a Maxis "Sim" game, in which the player controls the development of a planet.

Making it work

SimEarth requires the loadfix command to run properly (loadfix simearth).


2009-08-11 by Aaron of Mpls

DOSBox 0.73
Windows XP Pro SP2; 2.8 GHz Pentium D; 2 GB RAM
SimEarth version 1.2


  • DOSBox:
  • CPU Cycles: 8000
  • SimEarth:
  • Video: VGA 640x480 16 color
  • Sound: Sound Blaster

Game seems to run OK, with full sound effects and music. Motion is a bit choppy at DOSBox's default 3000 cycles; as mentioned above, I turn it up to 8000 cycles when playing.