| Infocom Z-Machine code |  The Lurking Horror Ver.219 | 1987 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Lurking Horror Ver.221 | 1987 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Witness - An Interlogic Mystery Ver.13 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Witness - An Interlogic Mystery Ver.18 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Witness - An Interlogic Mystery Ver.20 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Witness - An Interlogic Mystery Ver.21 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | The Witness - An Interlogic Mystery Ver.22 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Trinity Ver.11 | 1986 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Trinity Ver.12 | 1986 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Trinity Ver.14 | 1986 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Wishbringer - The Magick Stone of Dreams SG Ver.23 | 1988 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Wishbringer - The Magick Stone of Dreams Ver.68 | 1985 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Wishbringer - The Magick Stone of Dreams Ver.69 | 1985 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - Das Grosse Unterweltreich Ver.3 | 1986 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire SG Ver.52 | 1986 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.15 | 1980 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.25 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.26 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.28 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.30 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.75 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.76 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork I - The Great Underground Empire Ver.88 | 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 |
| Infocom Z-Machine code | Zork III - The Dungeon Master Ver.10 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork III - The Dungeon Master Ver.12 | 1982 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork III - The Dungeon Master Ver.15 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork III - The Dungeon Master Ver.16 | 1983 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork III - The Dungeon Master Ver.17 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork Zero - The Revenge of Megaboz Ver.296 | 1988 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork Zero - The Revenge of Megaboz Ver.366 | 1989 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork Zero - The Revenge of Megaboz Ver.383 | 1989 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Zork Zero - The Revenge of Megaboz Ver.393 | 1989 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk |  Ballyhoo Model IM4-AT1 | 1986 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Cutthroats Model IA3-AT1 | 1984 | Infocom, Inc. MA, USA 51051 |
