Business Model

  1. Commercial
    Amiga,
    Apple II,
    Apple IIgs,
    Atari 2600,
    Atari 5200,
    Atari 7800,
    Atari 8-bit,
    Atari ST,
    ColecoVision,
    Commodore 128,
    Commodore 64,
    Commodore PET,
    Commodore VIC-20,
    IBM PC/Compatibles,
    Intellivision,
    Macintosh,
    RCA Studio II,
    TI-99/4A,
    TRS-80,
    TRS-80 Color Computer,
    Windows,
    Windows 3.x,
    ZX81/Timex Sinclair 1000
  2. Freeware
    Amiga,
    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
  3. Homebrew
    Atari 2600,
    Atari 5200,
    Atari 7800
  4. Shareware
    Amiga,
    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