Copy Protection

Copy Protection: Key Disk/Tape

The following games documented on PixelatedArcade have been tagged with the feature Copy Protection: Key Disk/Tape.

Displaying games 91 - 120 of 145 in total
  1. On-Line Systems
    Versions also published by:
    All American Adventures, Green Valley Publishing, IBM, ShareData, Inc., Sierra On-Line, Inc., StarCraft, Inc.
    Platforms:
    Apple II (1980), Atari 8-bit (1980), Commodore 64 (1984), FM-7 (1983), IBM PC/Compatibles (1982), PC-8800 Series (1983), PC-9800 Series (1983)
  2. Accolade, Inc.
    Versions also published by:
    Dro Soft, NEC Technologies, Inc., The Hit Squad
    Platforms:
    Amiga (1991), Amstrad CPC (1990), IBM PC/Compatibles (1990), TurboGrafx-16 / PC Engine (1992), ZX Spectrum (1990)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  3. Atarisoft
    Versions also published by:
    Atari Corporation
    Platforms:
    Apple II (1984), Atari 5200 (1986), Commodore 64 (1984), IBM PC/Compatibles (1984)
  4. Activision, Inc.
    Versions also published by:
    Activision (UK) Limited, Dro Soft, Pony Canyon, Inc., Proein S.A., Ricochet, SEGA Enterprises Ltd., SEGA of America, Inc., Tec Toy Indústria de Brinquedos S.A., Tokuma Shoten Publishing Co., Ltd.
    Platforms:
    Amstrad CPC (1985), Apple II (1984), Atari 2600 (1985), Atari 8-bit (1985), Commodore 64 (1984), IBM PC/Compatibles (1985), MSX (1984), NES / Famicom (1986), Sega Master System (1987), ZX Spectrum (1985)
  5. The Learning Company
    Versions also published by:
    IBM
    Platforms:
    Apple II (1982), Commodore 64 (1984), IBM PC/Compatibles (1984)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  6. Developmental Learning Materials
    Platforms:
    Apple II (1989), IBM PC/Compatibles (1989)
  7. Namco Limited
    Versions also published by:
    Atari Corporation, Atari, Inc., Atarisoft, Bug-Byte Software Ltd., Dempa Shimbunsha, Namcot, Philips Ibérica S.A.E.
    Platforms:
    Apple II (1983), Arcade (1979), Atari 2600 (1983), Atari 5200 (1983), Atari 8-bit (1982), ColecoVision (1983), Commodore 64 (1983), Commodore VIC-20 (1983), Fujitsu FM-7 (1985), IBM PC/Compatibles (1983), MSX (1984), NES / Famicom (1984), PC-6000 Series (1984), PC-8800 Series (1983), Sharp X1 (1984)
  8. Konami Industry Co. Ltd.
    Versions also published by:
    Cogito Software Company, Green Valley Publishing, Majesco Sales, Inc., MicroDeal Ltd., Misosys, Inc., Parker Brothers, SEGA Enterprises Ltd., Sierra On-Line, Inc., Starpath Corporation, Timex Computer Corporation
    Platforms:
    Apple II (1983), Arcade (1981), Atari 2600 (1982), Atari 5200 (1983), Atari 8-bit (1982), ColecoVision (1983), Commodore 64 (1983), Commodore VIC-20 (1983), Dragon 32/64 (1983), Game Boy Color (1998), IBM PC/Compatibles (1983), Intellivision (1983), Macintosh (1984), MSX (1983), Odyssey 2 (1982), PC-6000 Series (1981), Sega Genesis / Mega Drive (1998), Super NES (1998), TI-99/4A (1984), TRS-80 (1981), TRS-80 Color Computer (1983), ZX81 / Timex Sinclair 1000 (1982)
  9. Dinamic Software
    Versions also published by:
    The Codemasters Software Co. Ltd.
    Platforms:
    Amiga (1989), Amstrad CPC (1989), Atari ST (1989), Commodore 64 (1990), IBM PC/Compatibles (1989), MSX (1989), ZX Spectrum (1989)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  10. Epyx, Inc.
    Platforms:
    Apple II (1983), Arcade (1983), Commodore 64 (1983), IBM PC/Compatibles (1984)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  11. Windmill Software
    Platforms:
    IBM PC/Compatibles (1983)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  12. ORIGIN Systems, Inc.
    Versions also published by:
    FCI, Pony Canyon, Inc., StarCraft, Inc., U.S. Gold Ltd.
    Platforms:
    Amiga (1986), Apple II (1983), Atari 8-bit (1983), Atari ST (1986), Commodore 64 (1983), Fujitsu FM-7 (1986), IBM PC/Compatibles (1985), Macintosh (1985), MSX (1988), NES / Famicom (1987), PC-8800 Series (1985), PC-9800 Series (1985), Sharp X1 (1989)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  13. Electronic Arts, Inc.
    Versions also published by:
    Electronic Arts Ltd.
    Platforms:
    Amiga (1987), Apple II (1989), IBM PC/Compatibles (1987), Macintosh (1989), PC-9800 Series (1988)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  14. U.S. Gold Ltd.
    Versions also published by:
    Keypunch Software, Inc.
    Platforms:
    Amstrad CPC (1988), Commodore 64 (1988), IBM PC/Compatibles (1989), ZX Spectrum (1988)
  15. Sunnyside Soft
    Versions also published by:
    Sierra On-Line, Inc.
    Platforms:
    Apple II (1982), Atari 8-bit (1984), Commodore 64 (1984), IBM PC/Compatibles (1984)
  16. Developmental Learning Materials
    Versions also published by:
    Texas Instruments Incorporated
    Platforms:
    Apple II (1982), Atari 8-bit (1983), Commodore 64 (1983), IBM PC/Compatibles (1984), TI-99/4A (1983)
  17. Family Software
    Platforms:
    Commodore 64 (1986), IBM PC/Compatibles (1988)
  18. Nintendo Co., Ltd.
    Versions also published by:
    Atari Corporation, Atari, Inc., Atarisoft, CBS Electronics, Coleco Industries, Inc., Erbe Software, S.A., Nintendo of America, Inc., Ocean Software Ltd.
    Platforms:
    Amstrad CPC (1986), Apple II (1983), Arcade (1981), Atari 2600 (1982), Atari 7800 (1988), Atari 8-bit (1983), Coleco Adam (1984), ColecoVision (1982), Commodore 64 (1983), Commodore VIC-20 (1983), IBM PC/Compatibles (1983), Intellivision (1982), MSX (1986), NES / Famicom (1983), TI-99/4A (1983), ZX Spectrum (1986)
  19. Sierra On-Line, Inc.
    Platforms:
    Amiga (1986), Apple II (1986), Atari ST (1986), Commodore 64 (1984), IBM PC/Compatibles (1986), TRS-80 Color Computer (1987)
  20. Namco Limited
    Versions also published by:
    Atari Corporation, Atari, Inc., Atarisoft, Bug-Byte Software Ltd., Casio Computer Co., Ltd., Datasoft, Inc., Dempa Shimbunsha, INTV Corp., Namco Hometek, Inc., Namcot, TAKARA Co., Ltd., Thunder Mountain
    Platforms:
    Apple II (1983), Arcade (1982), Atari 2600 (1983), Atari 5200 (1983), Atari 7800 (1987), Atari 8-bit (1982), Casio PV-1000 (1983), Commodore 64 (1983), Commodore VIC-20 (1983), Fujitsu FM-7 (1984), Game Boy (1992), IBM PC/Compatibles (1983), Intellivision (1987), MSX (1984), NES / Famicom (1985), PC-6000 Series (1983), PC-8000 Series (1983), PC-8800 Series (1983), Sharp X1 (1983), Sord M5 (1982), TI-99/4A (1983)
  21. Williams Electronics, Inc.
    Versions also published by:
    Atari Corporation, Atari, Inc., Atarisoft, Sears, Roebuck and Co.
    Platforms:
    Apple II (1983), Arcade (1981), Atari 2600 (1982), Atari 5200 (1982), Atari 8-bit (1982), ColecoVision (1983), Commodore 64 (1983), Commodore VIC-20 (1983), IBM PC/Compatibles (1983), Intellivision (1983), TI-99/4A (1983)
  22. Virgin Mastertronic Ltd.
    Versions also published by:
    Dro Soft
    Platforms:
    Amiga (1990), Amstrad CPC (1990), Atari ST (1990), Commodore 64 (1990), ZX Spectrum (1990)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  23. Howard W. Sams & Co., Inc.
    Platforms:
    IBM PC/Compatibles (1983)
  24. Titus France SA
    Versions also published by:
    France Image Logiciel, The Hit Squad
    Platforms:
    Amiga (1987), Amstrad CPC (1988), Atari ST (1988), Commodore 64 (1988), IBM PC/Compatibles (1987), Macintosh (1988), MSX (1988), Thomson TO (1987), ZX Spectrum (1988)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  25. SEGA Enterprises Ltd.
    Versions also published by:
    Erbe Software, S.A., Kixx, SEGA of America, Inc., Sage's Creation, Inc., Tec Toy Indústria de Brinquedos S.A., U.S. Gold Ltd.
    Platforms:
    Amiga (1990), Amstrad CPC (1990), Arcade (1989), Atari ST (1990), Commodore 64 (1990), IBM PC/Compatibles (1990), Sega Genesis / Mega Drive (1990), ZX Spectrum (1990)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  26. Ocean Software Ltd.
    Versions also published by:
    Erbe Software, S.A., Konami Industry Co. Ltd., Konami, Inc., The Hit Squad
    Platforms:
    Amstrad CPC (1987), Arcade (1987), Commodore 64 (1988), IBM PC/Compatibles (1988), MSX (1989), NES / Famicom (1988), ZX Spectrum (1987)
  27. Softie, Inc.
    Platforms:
    Apple II (1984), IBM PC/Compatibles (1984)
  28. Electronic Arts, Inc.
    Versions also published by:
    Dro Soft, Electronic Arts Ltd.
    Platforms:
    Amstrad CPC (1989), Apple II (1987), Commodore 64 (1987), IBM PC/Compatibles (1987), MSX (1989), PC-9800 Series (1988), ZX Spectrum (1989)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  29. Taito Corporation
    Versions also published by:
    Erbe Software, S.A., Ocean Software Ltd., Taito America Corporation, Takeru, The Hit Squad, Ving Co., Ltd.
    Platforms:
    Amiga (1989), Amstrad CPC (1989), Arcade (1988), Atari ST (1989), Commodore 64 (1989), FM Towns (1991), Game Gear (1991), MSX (1989), NES / Famicom (1989), Sega Master System (1991), Sharp X68000 (1992), TurboGrafx-16 / PC Engine (1990), ZX Spectrum (1989)
    Screenshots Cover Art Documentation Tech Specs Credits Links
  30. Atari, Inc.
    Versions also published by:
    Accolade, Inc., Atari Corporation, Atarisoft, Majesco Sales, Inc.
    Platforms:
    Apple II (1983), Arcade (1981), Atari 2600 (1982), Atari 5200 (1982), Atari 7800 (1987), ColecoVision (1983), Commodore 64 (1983), Commodore VIC-20 (1983), Game Boy (1992), Game Boy Color (1998), IBM PC/Compatibles (1983), Intellivision (1983), TI-99/4A (1983)
Displaying games 91 - 120 of 145 in total