| 41574 | The Martian Affair | ZX81 16K | English |
| 41480 | The Mine | ZX81 16K | English |
| 31725 | The Mixed Game Bag 1 | ZX81 16K | - |
| 31730 | The Money Manager | ZX81 16K | - |
| 35664 | The Monkey Experiment | ZX81 16K | English |
| 35720 | The Monster | ZX81 16K | English |
| 29139 | The Nowotnik Puzzle | ZX81 16K | English |
| 44778 | The Nowotnik Puzzle & Other Diversions | ZX81 16K | English |
| 31742 | The Oracle's Cave | ZX81 16K | English |
| 29169 | The Periodic Table | ZX81 16K | English |
| 29172 | The Pharaoh's Tomb | ZX81 16K | English |
| 34587 | The Picture | ZX81 16K | English |
| 40701 | The Plough | ZX81 16K | English |
| 29196 | The Princess of Kraal | ZX81 16K | English |
| 31769 | The Puzzler | ZX81 16K | - |
| 35704 | The Quill Adventure Writer | ZX81 16K | English |
| 31772 | The Quiz | ZX81 16K | - |
| 41131 | The Rat-Race | ZX81 16K | English |
| 44852 | The SUDOKU Puzzle | ZX81 16K | English |
| 40905 | The Sight of Music | ZX81 16K | English |