DOS
Business Model Freeware / Free-to-play / Public Domain
Media Type Download
Video Modes Supported 80-column text mode
Input Devices Supported Keyboard
Number of Players: Offline 1 Player

iPhone
Business Model Freeware / Free-to-play / Public Domain
Minimum OS Class Required OS X iPhone 2.1
Media Type Download
Input Devices Supported Touch Screen
Number of Players: Offline 1 Player

Linux
Business Model Freeware / Free-to-play / Public Domain
Media Type Download
Input Devices Supported Keyboard
Number of Players: Offline 1 Player

Mainframe
Business Model Freeware / Free-to-play / Public Domain
Supported Languages and Operating Systems Unix
Input Devices Supported Keyboard
Number of Players: Offline 1 Player


Technical information contributed by Ryan Armstrong (1773), Pseudo_Intellectual (59097), General Error (4359) and formercontrib (159773)