| 42081 | The Night of the Comet | ZX-Spectrum 48K | English |
| 32437 | The Night of the Vampire Bunnies (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 3442 | The Ninja Warriors | ZX-Spectrum 48K/128K | English |
| 7619 | The Norton Commander | ZX-Spectrum 128K | English |
| 3468 | The Nowotnik Puzzle | ZX-Spectrum 16K | English |
| 29139 | The Nowotnik Puzzle | ZX81 16K | English |
| 44778 | The Nowotnik Puzzle & Other Diversions | ZX81 16K | English |
| 15432 | The Number of the Beast | ZX-Spectrum 48K | English |
| 22460 | The Numbers Puzzle | ZX-Spectrum 48K | English |
| 6829 | The O Zone | ZX-Spectrum 48K | English |
| 17406 | The O Zone + Intruder Alert | ZX-Spectrum 48K | English |
| 34997 | The Occult Connection | SAM Coupé | English |
| 6757 | The Odyssey of Hope | ZX-Spectrum 48K | English |
| 2000914 | The Official Computer Hater's Handbook | - | English |
| 3493 | The Official Father Christmas Game | ZX-Spectrum 48K | English |
| 31202 | The Official Play Numberwang At Home Numberwang Spectrum Game From Numberwang Industries | - | English |
| 2000853 | The Official Scott Adams' Adventure Hint Book | - | English |
| 3515 | The Omega Zone | ZX-Spectrum 48K | English |
| 2000266 | The On-line Handbook | - | English |
| 11970 | The Open | ZX-Spectrum 48K | English |