| 40194 | Day of the Week | ZX81 16K | English |
| 41600 | Day of the Week | ZX81 16K | English |
| 36011 | Daylight Robbery | ZX81 16K | English |
| 39332 | Daytona | ZX81 16K | French |
| 28702 | De Bijenkorf | ZX81 16K | Dutch |
| 29440 | De Survivor | ZX81 16K | Dutch |
| 29362 | De Tafels van Vermenigvuldiging | ZX81 16K | Dutch |
| 28838 | De Tombe van Dracula | ZX81 16K | Dutch |
| 29428 | De Visser | ZX81 16K | Dutch |
| 29506 | Death Bubbles | ZX81 16K | English |
| 41638 | Death Caves | ZX81 16K | English |
| 28803 | Death Caves | ZX81 16K | English |
| 28804 | Death Duel | ZX81 16K | English |
| 41455 | Death Duel | ZX81 16K | English |
| 34495 | Death Maze | ZX81 16K | English |
| 33412 | Death Star | ZX81 16K | - |
| 41457 | Death Worm | ZX81 16K | English |
| 43595 | Deathrider | ZX81 16K | English |
| 36654 | Debug | ZX81 16K | English |
| 40835 | Dec to Hex and Vice Versa | ZX81 16K | English |