| 40505 | Oxygen Alert | ZX81 16K | English |
| 44319 | Oxygen Panic | ZX-Spectrum 48K | English |
| 42199 | Oxygene | ZX-Spectrum 128K | English |
| 34748 | Oxygene 7 | ZX-Spectrum 128K | English |
| 23495 | Oxygene Part 4 | ZX-Spectrum 128K | English |
| 10025 | Ozone | ZX-Spectrum 48K | English |
| 38397 | Ozzymator | ZX-Spectrum 48K | English |
| 3575 | P-47 Thunderbolt | ZX-Spectrum 48K/128K | English |
| 43910 | P. I. Cole | Sinclair QL | English |
| 43912 | P. I. Cole 2 | Sinclair QL | English |
| 10888 | P.H.A.R.T. | ZX-Spectrum 48K | English |
| 3693 | P.H.M. Pegasus | ZX-Spectrum 48K | English |
| 27235 | P.L.O.D. | ZX-Spectrum 48K | English |
| 37638 | P.P.S. - Pixel Perfect Shot | ZX-Spectrum 16K | English |
| 43885 | PARA2023 | ZX-Spectrum 16K | English |
| 2001293 | PASCAL Programming: A Beginner's Guide to Computers and Programming | - | English |
| 2000268 | PASCAL for Micros | - | English |
| 28178 | PATHFINDER | ZX-Spectrum 48K | English |
| 15770 | PAUL | ZX-Spectrum 48K | English |
| 20409 | PAWS for Thought Vol 1 | ZX-Spectrum 128 +3 | English |