Commodore 64
Media Type Cassette Tape, Floppy Disk
Input Devices Supported Joystick (Digital), Keyboard
Number of Players Supported 1-2 Players

DOS
Business Model Commercial
Minimum CPU Class Required 8088 / 8086
Minimum OS Class Required DOS 1.0 to 2.11
Minimum RAM Required 256 KB
Media Type 5.25" Floppy Disk
Video Modes Supported CGA, EGA, Tandy / PCjr
Sound Devices Supported PC Speaker
Input Devices Supported Joystick (Analog), Keyboard
Number of Players: Offline 1-2 Players

NES
Media Type Cartridge
Input Devices Supported PowerGlove
Multiplayer Options Hot Seat
Number of Players Supported 1-2 Players

ZX Spectrum
Business Model Commercial
Minimum RAM Required 48 KB
Media Type Cassette Tape
Input Devices Supported Kempston Joystick, Keyboard, Sinclair Joystick
Number of Players Supported 1 Player


Technical information contributed by Apogee IV (2331), B.L. Stryker (20943), Karsa Orlong (123636), tbuteler (3159), Alaka (49108), Roedie (5288), formercontrib (159939), Tomer Gabel (4678) and CesarMFM (1048)