| Commodore C64 disk |  Planetfall Model IS3-CO1 | 1988 | Infocom, Inc. MA, USA 51051 |
| Commodore Amiga 500 disk | Planetfall Model IS3-CO4 | 1986 | Infocom, Inc. MA, USA 51051 |
| CP/M 8in. disk | Planetfall Model IS3-CP1 | 198? | Infocom, Inc. MA, USA 51051 |
| DEC PDP-11 disk | Planetfall Model IS3-DE1 | 198? | Infocom, Inc. MA, USA 51051 |
| DEC Rainbow 100 disk | Planetfall Model IS3-DE2 | 198? | Infocom, Inc. MA, USA 51051 |
| Epson QX-10 disk | Planetfall Model IS3-EP1 | 198? | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Planetfall Model IS3-IB1 | 1983 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Planetfall Model IS3-IB2 | 198? | Infocom, Inc. MA, USA 51051 |
| Kaypro disk | Planetfall Model IS3-KA1 | 198? | Infocom, Inc. MA, USA 51051 |
| NEC PC-8000 disk | Planetfall Model IS3-NE1 | 198? | Infocom, Inc. MA, USA 51051 |
| NEC Advanced PC disk | Planetfall Model IS3-NE2 | 198? | Infocom, Inc. MA, USA 51051 |
| Osborne-1 disk | Planetfall Model IS3-OS1 | 198? | Infocom, Inc. MA, USA 51051 |
| TRS-80 CoCo disk | Planetfall Model IS3-TA4 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Planetfall Model IS3-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas instrument TI-99/4A disk | Planetfall Model IS3-TI2 | 198? | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Planetfall Model IS3-TR1 | 198? | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Planetfall Model IS3-TR3 | 198? | Infocom, Inc. MA, USA 51051 |
| Coleco Adam disk | Plundered Hearts | 1987 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | Plundered Hearts | 1987 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code |  Plundered Hearts Ver.26 | 1987 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Plundered Hearts Model IR1-AP1 | 1987 | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Plundered Hearts Model IR1-AP2 | 198? | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Plundered Hearts Model IR1-AT1 | 1987 | Infocom, Inc. MA, USA 51051 |
| Atari ST disk | Plundered Hearts Model IR1-AT2 | 198? | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Plundered Hearts Model IR1-CO1 | 1987 | Infocom, Inc. MA, USA 51051 |
| Commodore Amiga 500 disk | Plundered Hearts Model IR1-CO4 | 198? | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Plundered Hearts Model IR1-IB2 | 1987 | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Quarterstaff - The Tomb of Setmoth | 1988 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Science Fiction Classics Model IT4-AP1 | 198? | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Science Fiction Classics Model IT4-AP2 | 198? | Infocom, Inc. MA, USA 51051 |
| Commodore C128 disk | Science Fiction Classics Model IT4-CO5 | 198? | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Science Fiction Classics Model IT4-IB1 | 198? | Infocom, Inc. MA, USA 51051 |
| Commodore Amiga 500 disk | Seastalker | 1986 | 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 |
| ACT Apricot PC Xi disk | Seastalker Model IA2-AC1 | 198? | Infocom, Inc. MA, USA 51051 |
