Planet X3 is a MS-DOS sequel to the popular real-time strategy game Planet X2 (Commodore 64). Supports wide variety of DOS-compatible machines and video modes (CGA, CGA composite, Tandy, Hercules, EGA, VGA).
8088 @ 4.77 Mhz (recommend 8 Mhz)
256K of RAM
360K or 720K floppy, or install on hard drive
PC-Speaker, Tandy, or Ad-Lib sound