| 34636 | Octukitty | ZX-Spectrum 48K/128K | English |
| 3488 | Odd Ball | ZX-Spectrum 48K | English |
| 3489 | Odd Job Eddie | ZX-Spectrum 128K | English |
| 32214 | Oh La La! | ZX-Spectrum 48K | English |
| 15788 | Oldman | ZX-Spectrum 48K | Spanish |
| 9385 | Olli & Lissa 3 | ZX-Spectrum 48K/128K | English |
| 3505 | Olli & Lissa II: Halloween | ZX-Spectrum 48K | English |
| 3503 | Olli and Lissa | ZX-Spectrum 48K | English |
| 30413 | Omelettes For Breakfast | ZX-Spectrum 48K | English |
| 30377 | Ooze | ZX-Spectrum 128K | English |
| 16332 | Oso Bobo | ZX-Spectrum 48K | Spanish |
| 30258 | PNOID | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 30049 | PaRtY TiMe! 1K | Pentagon 128 | Russian |
| 32113 | Pac Manic Miner Man | ZX-Spectrum 128 +2A/+3 | English |
| 3577 | Pac-Land | ZX-Spectrum 48K/128K | English |
| 36469 | Pac-Land: Re-Imagined | ZX-Spectrum 48K/128K | English |
| 19834 | Packman | ZX-Spectrum 48K | English |
| 27771 | Padenie Nebol'shih Kirpichei | ZX-Spectrum 48K | Russian |
| 30190 | Page and the Curse of the Pharaoh | ZX-Spectrum 48K/128K | English |
| 30153 | Page's Castle Quest | ZX-Spectrum 48K/128K | English |