Game Companies: Infocom

1980
PC	Zork I	1980	North America
Tandy Color Computer	Zork	1980	North America

1981
Apple II	Zork I	1981	North America
PC	Zork II	1981	North America

1982
Tandy Color Computer	Zork II	1982	North America
Apple II	Deadline	1982	North America
Apple II	Zork II	1982	North America
Apple II	Zork III	1982	North America
Atari 8-bit	Starcross	1982	North America
Tandy Color Computer	Suspended	1982	North America
Commodore 64	Deadline	1982	North America
PC	Deadline (1982)	1982	North America
Apple II	Starcross	1982	North America
Commodore 64	Starcross	1982	North America
Tandy Color Computer	Zork III	1982	North America
PC	Starcross	1982	North America
PC	Zork III	1982	North America
Atari 8-bit	Deadline	1982	North America

1983
Commodore 64	The Witness (1986)	1983	North America
Commodore 64	Zork III: The Dungeon Master	1983	North America
Atari 8-bit	Infidel	1983	North America
Commodore 64	Zork I: The Great Underground Empire	1983	North America
TI-99/4A	The Witness (1986)	1983	North America
Apple II	The Witness (1986)	1983	North America
Atari 8-bit	Suspended	1983	North America
TI-99/4A	Suspended	1983	North America
Commodore 64	Enchanter	1983	North America
Apple II	Suspended	1983	North America
Commodore 64	Suspended	1983	North America
Commodore 64	Infidel	1983	North America
MSX	Zork I: The Great Underground Empire	1983	Europe
Atari 8-bit	The Witness (1986)	1983	North America
MSX	Zork II: The Wizard of Frobozz	1983	Europe
MSX	Zork III: The Dungeon Master	1983	Europe
Atari 8-bit	Enchanter	1983	North America
Tandy Color Computer	Planetfall	1983	North America
Apple II	Infidel	1983	North America
Commodore 64	Planetfall	1983	North America
TI-99/4A	Planetfall	1983	North America
Apple II	Enchanter	1983	North America
Commodore 64	Zork II: The Wizard of Frobozz	1983	North America
Atari 8-bit	Zork II	1983	North America
Atari 8-bit	Zork III	1983	North America
Atari 8-bit	Zork I	1983	North America
PC	The Witness (1986)	1983	North America
PC	Planetfall	1983	North America
PC	Enchanter	1983	North America

1984
Apple II	Cutthroats	1984	North America
Macintosh	Zork I	1984	North America
Macintosh	Zork II	1984	North America
Amstrad CPC	Suspect	1984	Europe
Apple II	Seastalker	1984	North America
Apple II	The Hitchhiker's Guide to the Galaxy	October 1984	North America
Macintosh	The Witness (1986)	1984	North America
Amstrad CPC	Zork II	1984	Europe
Amstrad CPC	Zork I	1984	Europe
Macintosh	Deadline	1984	North America
Macintosh	Suspended	1984	North America
PC	Cutthroats	1984	North America
Atari 8-bit	The Hitchhiker's Guide to the Galaxy	1984	North America
PC	Suspended	1984	North America
Apple II	Sorcerer	1984	North America
TI-99/4A	The Hitchhiker's Guide to the Galaxy	1984	North America
Tandy Color Computer	Seastalker	1984	North America
Macintosh	Zork III	1984	North America
Amstrad CPC	Zork III	1984	Europe
Macintosh	Cutthroats	1984	North America
Macintosh	Enchanter	1984	North America
Macintosh	Infidel	1984	North America
Commodore 64	Suspect	1984	North America
Atari 8-bit	Seastalker	1984	North America
Atari 8-bit	Sorcerer	1984	North America
Commodore 64	Cutthroats	1984	North America
Commodore 64	Seastalker	1984	North America
Commodore 64	Sorcerer	1984	North America
Macintosh	Seastalker	1984	North America
Atari 8-bit	Suspect	1984	North America
TI-99/4A	Suspect	1984	North America
Macintosh	The Hitchhiker's Guide to the Galaxy	1984	North America
TI-99/4A	Seastalker	1984	North America
Apple II	Suspect	1984	North America
Atari 8-bit	Cutthroats	1984	North America
Macintosh	Starcross	1984	North America
Macintosh	Sorcerer	1984	North America
PC	Seastalker	June 1984	North America
PC	The Hitchhiker's Guide to the Galaxy	1984	North America

1985
PC	Fooblitzky	1985	North America
Atari ST	Cutthroats	1985	North America
Apple II	Fooblitzky	1985	North America
Atari ST	Infidel	1985	North America
Atari ST	Enchanter	1985	North America
Atari ST	Starcross	1985	North America
Macintosh	Planetfall	1985	North America
Atari ST	The Witness (1986)	1985	North America
Atari ST	Zork I	1985	Europe
Atari 8-bit	Fooblitzky	1985	North America
Atari ST	Wishbringer	1985	North America
Atari ST	The Hitchhiker's Guide to the Galaxy	1985	North America
Atari ST	Suspect	1985	North America
Atari 8-bit	Wishbringer	1985	North America
Macintosh	Wishbringer	1985	North America
Commodore 64	A Mind Forever Voyaging	1985	North America
Apple II	Spellbreaker	1985	North America
Macintosh	Spellbreaker	1985	North America
Atari 8-bit	Spellbreaker	1985	North America
Macintosh	A Mind Forever Voyaging	1985	North America
Apple II	Mines of Titan	1985	North America
Amiga	Starcross	1985	North America
Atari ST	Spellbreaker	1985	North America
Apple II	Wishbringer	1985	North America
Amiga	Planetfall	1985	North America
Apple II	Planetfall	1985	North America
Atari ST	Enchanter	1990	North America
Atari ST	A Mind Forever Voyaging	1985	North America
Atari ST	Sorcerer	1985	North America
Atari ST	Deadline	1985	North America
Atari ST	Planetfall	1985	North America
Atari 8-bit	Planetfall	1985	North America
Commodore 64	Spellbreaker	1985	North America
Commodore 64	Ballyhoo	1985	North America
Commodore 64	Wishbringer	1985	North America
Commodore 64	The Hitchhiker's Guide to the Galaxy	1985	North America
Atari ST	Zork II	1985	North America
PC	Spellbreaker	1985	North America
Atari ST	Zork III	1985	North America
PC	A Mind Forever Voyaging	1985	North America
PC	Wishbringer	1985	North America
Apple II	A Mind Forever Voyaging	09/01/85	North America

1986
Amstrad CPC	Leather Goddesses of Phobos	1986	Europe
Apple II	Leather Goddesses of Phobos	1986	North America
Macintosh	Ballyhoo	1986	North America
Amstrad CPC	Seastalker	1986	Europe
Amiga	Infidel	1986	North America
Amiga	Moonmist	1986	North America
Atari 8-bit	Leather Goddesses of Phobos	1986	North America
Apple II	Trinity	1986	North America
Commodore 64	Moonmist	1986	North America
Amiga	Suspect	1986	North America
Atari ST	Leather Goddesses of Phobos	1986	North America
Commodore 64	Zork Trilogy	1986	North America
Commodore 64	Enchanter Trilogy	1986	North America
Atari ST	Moonmist	1986	North America
Atari ST	Suspended	1986	North America
Amstrad CPC	Hollywood Hijinx	1986	Europe
Atari ST	Zork Trilogy	1986	North America
Atari ST	Trinity	1986	North America
PC	Zork Trilogy	1986	North America
Commodore 64	Leather Goddesses of Phobos	1986	North America
Macintosh	Trinity	1986	North America
Macintosh	Moonmist	1986	North America
Macintosh	Leather Goddesses of Phobos	1986	North America
PC	Hollywood Hijinx	1986	North America
PC	Moonmist	1986	North America
PC	Ballyhoo	1986	North America
PC	Trinity	1986	North America
Atari ST	Ballyhoo	1986	North America
Atari 8-bit	Zork Trilogy	1986	North America
PC	Infidel	1986	North America
Amiga	Zork I	1986	North America
Commodore 64	Hollywood Hijinx	1986	North America
Apple II	Moonmist	1986	North America
Amstrad CPC	Ballyhoo	1986	Europe
Atari 8-bit	Ballyhoo	1986	North America
Atari 8-bit	Moonmist	1986	North America
Amiga	Ballyhoo	1986	Europe
Atari 8-bit	Hollywood Hijinx	1986	North America
Amiga	Seastalker	1986	North America
Amiga	Zork Trilogy	1986	North America
Amiga	Wishbringer	1986	North America
Atari ST	Hollywood Hijinx	1986	North America
Amiga	The Hitchhiker's Guide to the Galaxy	1986	North America
Amiga	Zork II	1986	North America
Amiga	The Witness (1986)	1986	North America
Amiga	Enchanter	1986	North America
Amiga	Deadline	1986	North America
Amiga	Cutthroats	1986	North America
Amiga	A Mind Forever Voyaging	1986	North America
Amiga	Zork III	1986	North America
Amstrad CPC	Wishbringer	1986	Europe
Amstrad CPC	Cutthroats	1986	Europe
Amstrad CPC	Planetfall	1986	Europe
Amstrad CPC	Moonmist	1986	Europe
Amstrad CPC	Infidel	1986	Europe
Amstrad CPC	The Hitchhiker's Guide to the Galaxy	1986	Europe
Amstrad CPC	Sorcerer	1986	Europe
Amstrad CPC	Spellbreaker	1986	Europe
Amstrad CPC	Deadline	1986	Europe
Amstrad CPC	Enchanter	1986	Europe
Amstrad CPC	Suspended	1986	Europe
Amiga	Hollywood Hijinx	1986	North America
TI-99/4A	Moonmist	1986	North America
Amiga	Sorcerer	1986	North America
Amiga	Suspended	1986	North America
Amiga	Spellbreaker	1986	North America
Amiga	Trinity	1986	North America
Amiga	Leather Goddesses of Phobos	1986	North America
Apple II	Ballyhoo	02/01/86	North America
PC	Leather Goddesses of Phobos	1986	North America

1987
PC	Border Zone	1987	North America
Atari ST	The Lurking Horror	1987	North America
PC	Beyond Zork	1987	North America
Macintosh	Plundered Hearts	1987	North America
Macintosh	The Lurking Horror	1987	North America
Macintosh	Beyond Zork	1987	North America
Apple II	The Lurking Horror	1987	North America
Commodore 64	Stationfall	1987	North America
Commodore 64	Border Zone	1987	North America
Atari 8-bit	Stationfall	1987	North America
PC	Plundered Hearts	1987	North America
Atari 8-bit	The Lurking Horror	1987	North America
Macintosh	Bureaucracy	1987	North America
Macintosh	Stationfall	1987	North America
Commodore 64	Bureaucracy	1987	North America
Apple II	Plundered Hearts	1987	North America
Amiga	Beyond Zork	1987	North America
Amiga	Bureaucracy	1987	North America
Apple II	Stationfall	1987	North America
Atari ST	Bureaucracy	1987	North America
Amstrad CPC	Stationfall	1987	Europe
Atari ST	Plundered Hearts	1987	North America
Atari 8-bit	Plundered Hearts	1987	North America
PC	The Lurking Horror	1987	North America
PC	Stationfall	1987	North America
PC	Bureaucracy	1987	North America
Amstrad CPC	The Lurking Horror	1987	Europe
PC	Nord and Bert Couldn't Make Head or Tail of It	1987	North America
Macintosh	Hollywood Hijinx	1987	North America
Atari ST	Sherlock: The Riddle of the Crown Jewels	1987	North America
Apple II	Bureaucracy	1987	North America
Amiga	Stationfall	1987	North America
Apple II	Nord and Bert Couldn't Make Head or Tail of It	1987	North America
Atari ST	Beyond Zork	1987	Europe
Amstrad CPC	Plundered Hearts	1987	Europe
Atari ST	Stationfall	1987	North America
Amiga	Sherlock: The Riddle of the Crown Jewels	1987	North America
PC	Sherlock: The Riddle of the Crown Jewels	1987	North America
Apple II	Hollywood Hijinx	January 1987	North America
Commodore 64	Plundered Hearts	1987	North America
Atari ST	Nord and Bert Couldn't Make Head or Tail of It	1987	North America
Macintosh	Nord and Bert Couldn't Make Head or Tail of It	1987	North America
Amiga	The Lurking Horror	1987	North America
Commodore 64	Nord and Bert couldn't make Head or Tail of It	1987	North America
Commodore 64	The Lurking Horror	1987	North America
Commodore 64	Mini Zork I	1987	North America
Amiga	Nord and Bert Couldn't Make Head or Tail of It	1987	North America
Amiga	Plundered Hearts	1987	North America
Apple II	Beyond Zork	10/01/87	North America

1988
Apple II	James Clavell's Shogun	1988	North America
Commodore 64	Gamma Force	1988	North America
Macintosh	Zork Trilogy	1988	North America
PC	Mines of Titan	1988	North America
Macintosh	Sherlock: The Riddle of the Crown Jewels	1988	North America
Apple II	Border Zone	1988	North America
Apple II	Zork Zero	1988	North America
PC	Circuit's Edge	1988	North America
Commodore 64	Sherlock: The Riddle of the Crown Jewels	January 1988	North America
PC	Zork Quest: Assault on Egreth Castle	1988	North America
Commodore 64	Zork Quest: Assault on Egreth Castle	1988	North America
Commodore 64	Zork Quest: The Crystal of Doom	1988	North America
PC	Lane Mastodon vs. the Blubbermen	1988	North America
Commodore 64	Lane Mastodon vs. the Blubbermen	1988	North America
Macintosh	Quarterstaff: Tomb of Setmoth	1988	North America
Macintosh	Zork Zero	1988	North America
PC	Zork Zero	1988	North America
Apple II	Sherlock: The Riddle of the Crown Jewels	1988	North America
PC	BattleTech: The Crescent Hawk's Inception	November 1988	North America

1989
Amiga	James Clavell's Shogun	1989	North America
Apple II	Arthur: The Quest for Excalibur	1989	North America
PC	James Clavell's Shogun	1988	North America
Commodore 64	BattleTech: The Crescent Hawk's Inception	1988	North America
Amiga	Journey: The Quest Begins	1988	North America
Amiga	BattleTech: The Crescent Hawk's Inception	1988	North America
Amiga	Arthur: The Quest for Excalibur	1989	North America
Amiga	Zork Zero	1989	North America
Macintosh	James Clavell's Shogun	1989	North America
PC	Zork Quest: The Crystal of Doom	1989	North America
PC	Journey: The Quest Begins	1988	North America
PC	Arthur: The Quest for Excalibur	1989	North America

1990
PC	BattleTech: The Crescent Hawks' Revenge	1990	North America

1991
PC	The Lost Treasures of Infocom	1991	North America
NES	Tombs & Treasure	June 1991	North America

1992
PC	The Lost Treasures of Infocom II	1992	North America
Macintosh	The Lost Treasures of Infocom II	1992	North America
PC	Leather Goddesses of Phobos! 2	1992	North America
Amiga	Lost Treasures Of Infocom	1992	Europe
Macintosh	The Lost Treasures of Infocom	1992	North America

1993
PC	Return to Zork	1993	North America
PC	Sorcerer	1984	North America
PC	Suspect	1984	North America
PC	Simon the Sorcerer	01/02/93	North America

1994
PC	The Zork Anthology	1994	North America

1995
PC	Infocom The Sci-Fi Collection	1995	North America
PC	Infocom The Mystery Collection	1995	North America
PC	Infocom The Fantasy Collection	1995	North America
Macintosh	The Adventure Collection	1995	North America
PC	Infocom The Comedy Collection	1995	North America
PC	The Adventure Collection	1995	North America
Macintosh	Return to Zork	06/28/95	North America

1996
Saturn	Zork I	03/15/96	Japan
PC	Infocom Classic Text Adventure Masterpieces	07/31/96	North America