| Apple Macintosh disk |  Planetfall Model IS3-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
| Coleco Adam disk | Seastalker | 1984 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | Seastalker | 1984 | Infocom, Inc. MA, USA 51051 |
| Enterprise 64 disk | Seastalker | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code |  Seastalker Ver.15 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Seastalker Ver.16 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Seastalker Ver.86 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Seastalker Model IA2-AP1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Seastalker Model IA2-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Seastalker Model IA2-AT1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Seastalker Model IA2-CO1 | 1984 | Infocom, Inc. MA, USA 51051 |
| DEC PDP-11 disk | Seastalker Model IA2-DE1 | 1984 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Seastalker Model IA2-IB1 | 1984 | Infocom, Inc. MA, USA 51051 |
| NEC Advanced PC disk | Seastalker Model IA2-NE2 | 1984 | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Seastalker Model IA2-TR3 | 1984 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | Sorcerer | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Sorcerer Ver.13 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Sorcerer Ver.15 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Sorcerer Ver.18 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Sorcerer Ver.4 | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Sorcerer Ver.6 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Sorcerer Model IZ5-AP1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Sorcerer Model IZ5-AP1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Sorcerer Model IZ5-CO1 | 1984 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Sorcerer Model IZ5-IB1 | 1984 | Infocom, Inc. MA, USA 51051 |
| HP-150 soft. | Starcross | 1984 | Infocom, Inc. MA, USA 51051 |
| Coleco Adam disk | Suspect | 1984 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | Suspect | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code | Suspect - An Interactive Mystery Ver.14 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Suspect Model IM3-AP1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Suspect Model IM3-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Suspect Model IM3-AT1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Suspect Model IM3-CO1 | 1984 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Suspect Model IM3-IB1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Suspended | 1984 | Infocom, Inc. MA, USA 51051 |
| HP-150 soft. | Suspended | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk |  The Four-In-One Infocom Sampler Model ID2-CO1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Coleco Adam disk | The HitchHiker's Guide to the Galaxy | 1984 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | The Hitchhiker's Guide to the Galaxy | 1984 | Infocom, Inc. MA, USA 51051 |
| Tatung Einstein disk | The Hitchhiker's Guide to the Galaxy | 1984 | Infocom, Inc. MA, USA 51051 |
