Business Model

Commercial

Acorn Archimedes,

Acorn Electron,

Amiga,

Amiga CD32,

Amstrad CPC,

Amstrad PCW,

Apple II,

Apple IIgs,

Atari 2600,

Atari 5200,

Atari 7800,

Atari 8-bit,

Atari ST,

Bally Astrocade,

BBC Micro,

Camputers Lynx,

Coleco Adam,

ColecoVision,

Colour Genie,

Commodore 128,

Commodore 16 & Plus/4,

Commodore 64,

Commodore CDTV,

Commodore PET,

Commodore VIC-20,

Dragon 32/64,

Enterprise,

Exidy Sorcerer,

FM Towns,

Fujitsu FM-7,

Game Boy,

IBM PC/Compatibles,

Intellivision,

Macintosh,

Mattel Aquarius,

Memotech MTX,

MSX,

NES / Famicom,

Odyssey 2,

Oric,

PC-6000 Series,

PC-8000 Series,

PC-8800 Series,

PC-9800 Series,

RCA Studio II,

SAM Coupé,

Sega CD / Mega-CD,

Sega Genesis / Mega Drive,

Sega Master System,

Sega SG-1000,

Sharp X1,

Sharp X68000,

Sord M5,

Super NES,

Tatung Einstein,

Thomson MO,

Thomson TO,

TI-99/4A,

TRS-80,

TRS-80 Color Computer,

TurboGrafx CD,

TurboGrafx-16 / PC Engine,

Vectrex,

Windows,

Windows 3.x,

ZX Spectrum,

ZX81 / Timex Sinclair 1000
Freeware

Amiga,

Amstrad CPC,

Apple II,

Apple IIgs,

Atari 8-bit,

Atari ST,

Commodore 128,

Commodore 64,

Commodore PET,

Commodore VIC-20,

IBM PC/Compatibles,

Macintosh,

TI-99/4A,

TRS-80,

TRS-80 Color Computer,

Windows,

Windows 3.x,

ZX Spectrum,

ZX81 / Timex Sinclair 1000
Homebrew

Atari 2600,

Atari 5200,

Atari 7800,

NES / Famicom,

Sega Master System,

Vectrex
Shareware

Amiga,

Amstrad CPC,

Apple II,

Apple IIgs,

Atari 8-bit,

Atari ST,

Commodore 128,

Commodore 64,

Commodore PET,

Commodore VIC-20,

IBM PC/Compatibles,

Macintosh,

TI-99/4A,

TRS-80,

TRS-80 Color Computer,

Windows,

Windows 3.x,

ZX Spectrum,

ZX81 / Timex Sinclair 1000