| 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 |
| Apple Macintosh disk | Plundered Hearts Model IR1-AP2 | 198? | Infocom, Inc. MA, USA 51051 |
| Atari ST disk | Plundered Hearts Model IR1-AT2 | 198? | Infocom, Inc. MA, USA 51051 |
| Commodore Amiga 500 disk | Plundered Hearts Model IR1-CO4 | 198? | 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 |
| ACT Apricot PC Xi disk | Seastalker Model IA2-AC1 | 198? | Infocom, Inc. MA, USA 51051 |
| CP/M 8in. disk | Seastalker Model IA2-CP1 | 198? | Infocom, Inc. MA, USA 51051 |
| Epson QX-10 disk | Seastalker Model IA2-EP1 | 198? | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk |  Seastalker Model IA2-IB2 | 198? | Infocom, Inc. MA, USA 51051 |
| Kaypro disk | Seastalker Model IA2-KA1 | 198? | Infocom, Inc. MA, USA 51051 |
| Coleco Adam disk | Sorcerer | 198? | Infocom, Inc. MA, USA 51051 |
| ACT Apricot PC Xi disk | Sorcerer Model IZ5-AC1 | 198? | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Sorcerer Model IZ5-AP2 | 198? | Infocom, Inc. MA, USA 51051 |
| Atari ST disk | Sorcerer Model IZ5-AT2 | 198? | Infocom, Inc. MA, USA 51051 |
| CP/M 8in. disk | Sorcerer Model IZ5-CP1 | 198? | Infocom, Inc. MA, USA 51051 |
| DEC PDP-11 disk | Sorcerer Model IZ5-DE1 | 198? | Infocom, Inc. MA, USA 51051 |
| DEC Rainbow 100 disk | Sorcerer Model IZ5-DE2 | 198? | Infocom, Inc. MA, USA 51051 |
| Epson QX-10 disk | Sorcerer Model IZ5-EP1 | 198? | Infocom, Inc. MA, USA 51051 |
| Kaypro disk | Sorcerer Model IZ5-KA1 | 198? | Infocom, Inc. MA, USA 51051 |
| NEC Advanced PC disk | Sorcerer Model IZ5-NE2 | 198? | Infocom, Inc. MA, USA 51051 |
| Osborne-1 disk | Sorcerer Model IZ5-OS1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Sorcerer Model IZ5-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas instrument TI-99/4A disk | Sorcerer Model IZ5-TI2 | 198? | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Sorcerer Model IZ5-TR1 | 198? | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Sorcerer Model IZ5-TR3 | 198? | Infocom, Inc. MA, USA 51051 |
| Atari ST disk | Spellbreaker Model IZ6-AT2 | 198? | Infocom, Inc. MA, USA 51051 |
| Commodore Amiga 500 disk | Spellbreaker Model IZ6-CO4 | 198? | Infocom, Inc. MA, USA 51051 |
| Tatung Einstein disk | Starcross | 198? | Infocom, Inc. MA, USA 51051 |
| Applied Technology Microbee cass. | Starcross | 198? | Infocom, Inc. MA, USA 51051 |
