Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.88 | 1984 | Infocom, Inc. MA, USA 51051 |
ACT Apricot PC Xi disk | Zork I - The Great Underground Empire Model IZ1-AC1 | 198? | Infocom, Inc. MA, USA 51051 |
Apple II 5.25 disk | Zork I - The Great Underground Empire Model IZ1-AP1 | 1980 | Infocom, Inc. MA, USA 51051 |
Apple Macintosh disk | Zork I - The Great Underground Empire Model IZ1-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
Atari 400/800 disk | Zork I - The Great Underground Empire Model IZ1-AT1 | 1982 | Infocom, Inc. MA, USA 51051 |
Atari ST disk | Zork I - The Great Underground Empire Model IZ1-AT2 | 198? | Infocom, Inc. MA, USA 51051 |
Commodore Amiga 500 disk | Zork I - The Great Underground Empire Model IZ1-CO4 | 1986 | Infocom, Inc. MA, USA 51051 |
CP/M 8in. disk | Zork I - The Great Underground Empire Model IZ1-CP1 | 198? | Infocom, Inc. MA, USA 51051 |
DEC PDP-11 disk | Zork I - The Great Underground Empire Model IZ1-DE1 | 1980 | Infocom, Inc. MA, USA 51051 |
DEC Rainbow 100 disk | Zork I - The Great Underground Empire Model IZ1-DE2 | 198? | Infocom, Inc. MA, USA 51051 |
Epson QX-10 disk | Zork I - The Great Underground Empire Model IZ1-EP1 | 198? | Infocom, Inc. MA, USA 51051 |
IBM PC 5.25in. disk | Zork I - The Great Underground Empire Model IZ1-IB1 | 1980 | Infocom, Inc. MA, USA 51051 |
IBM PC 5.25in. disk | Zork I - The Great Underground Empire Model IZ1-IB2 | 1982 | Infocom, Inc. MA, USA 51051 |
Kaypro disk | Zork I - The Great Underground Empire Model IZ1-KA1 | 1984 | Infocom, Inc. MA, USA 51051 |
NEC PC-8000 disk | Zork I - The Great Underground Empire Model IZ1-NE1 | 198? | Infocom, Inc. MA, USA 51051 |
NEC Advanced PC disk | Zork I - The Great Underground Empire Model IZ1-NE2 | 198? | Infocom, Inc. MA, USA 51051 |
Osborne-1 disk | Zork I - The Great Underground Empire Model IZ1-OS1 | 198? | Infocom, Inc. MA, USA 51051 |
TRS-80 CoCo disk | Zork I - The Great Underground Empire Model IZ1-TA4 | 198? | Infocom, Inc. MA, USA 51051 |
Texas Instruments Professional disk | Zork I - The Great Underground Empire Model IZ1-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
Texas instrument TI-99/4A disk | Zork I - The Great Underground Empire Model IZ1-TI2 | 198? | Infocom, Inc. MA, USA 51051 |
Apple II 5.25 disk | Zork I Demo - Catch A Butterfly | 1984 | Infocom, Inc. MA, USA 51051 |
Tatung Einstein disk | Zork II | 198? | Infocom, Inc. MA, USA 51051 |
Commodore Amiga 500 disk | Zork II - The Wizard Of Frobozz | 1986 | Infocom, Inc. MA, USA 51051 |
Coleco Adam disk | Zork II - The Wizard of Frobozz | 1983 | Infocom, Inc. MA, USA 51051 |
Amstrad CPC/PCW disk | Zork II - The Wizard Of Frobozz | 1983 | Infocom, Inc. MA, USA 51051 |
Enterprise 64 disk | Zork II - The Wizard of Frobozz | 1984 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.15 | 1982 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.19 | 1982 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.22 | 1983 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.23 | 1983 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.48 | 1984 | Infocom, Inc. MA, USA 51051 |
Infocom Z-Machine code | Zork II - The Wizard of Frobozz Ver.7 | 1981 | Infocom, Inc. MA, USA 51051 |
ACT Apricot PC Xi disk | Zork II - The Wizard of Frobozz Model IZ2-AC1 | 198? | Infocom, Inc. MA, USA 51051 |
Apple II 5.25 disk | Zork II - The Wizard of Frobozz Model IZ2-AP1 | 1981 | Infocom, Inc. MA, USA 51051 |
Apple Macintosh disk | Zork II - The Wizard of Frobozz Model IZ2-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
Atari 400/800 disk | Zork II - The Wizard of Frobozz Model IZ2-AT1 | 1982 | Infocom, Inc. MA, USA 51051 |
CP/M 8in. disk | Zork II - The Wizard of Frobozz Model IZ2-CP1 | 198? | Infocom, Inc. MA, USA 51051 |
DEC PDP-11 disk | Zork II - The Wizard of Frobozz Model IZ2-DE1 | 1982 | Infocom, Inc. MA, USA 51051 |
DEC Rainbow 100 disk | Zork II - The Wizard of Frobozz Model IZ2-DE2 | 198? | Infocom, Inc. MA, USA 51051 |
Epson QX-10 disk | Zork II - The Wizard of Frobozz Model IZ2-EP1 | 198? | Infocom, Inc. MA, USA 51051 |