Business Model

  1. Commercial
    Acorn Electron,
    Amiga,
    Amstrad CPC,
    Amstrad PCW,
    Apple II,
    Apple IIgs,
    Atari 2600,
    Atari 5200,
    Atari 7800,
    Atari 8-bit,
    Atari ST,
    Bally Astrocade,
    BBC Micro,
    Coleco Adam,
    ColecoVision,
    Commodore 128,
    Commodore 16 & Plus/4,
    Commodore 64,
    Commodore PET,
    Commodore VIC-20,
    Dragon 32/64,
    Enterprise,
    Exidy Sorcerer,
    Fujitsu FM-7,
    IBM PC/Compatibles,
    Intellivision,
    Macintosh,
    Mattel Aquarius,
    Memotech MTX,
    MSX,
    NES / Famicom,
    Oric,
    PC-8800 Series,
    PC-9800 Series,
    RCA Studio II,
    Sharp X1,
    Tatung Einstein,
    Thomson MO,
    Thomson TO,
    TI-99/4A,
    TRS-80,
    TRS-80 Color Computer,
    Vectrex,
    Windows,
    Windows 3.x,
    ZX Spectrum,
    ZX81 / Timex Sinclair 1000
  2. 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
  3. Homebrew
    Atari 2600,
    Atari 5200,
    Atari 7800,
    NES / Famicom,
    Vectrex
  4. 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