| Texas Instruments Professional disk |  Deadline Model IM1-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Enchanter Model IZ4-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Infidel Model IA1-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Planetfall Model IS3-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Sorcerer Model IZ5-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Starcross Model IS1-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Suspended Model IS2-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | The Witness Model IM2-TI1 | 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 Instruments Professional disk | Zork II - The Wizard of Frobozz Model IZ2-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
| Texas Instruments Professional disk | Zork III - The Dungeon Master Model IZ3-TI1 | 198? | Infocom, Inc. MA, USA 51051 |
