| 37618 | Ninja Poison | ZX-Spectrum 48K/128K | English |
| 3441 | Ninja Spirit | ZX-Spectrum 48K/128K | English |
| 35113 | Nixy and the Seeds of Doom | ZX-Spectrum 48K/128K | English |
| 36210 | No More Intelligence - The Trilogy | ZX-Spectrum 48K/128K | - |
| 7613 | No More Intelligence 2 | ZX-Spectrum 48K/128K | English |
| 7614 | No More Intelligence 3: No Panic | ZX-Spectrum 48K/128K | English |
| 22399 | No More Intelligence Demo | ZX-Spectrum 48K/128K | English |
| 3460 | North & South | ZX-Spectrum 48K/128K | - |
| 13061 | O.B.R.: Rapid Reaction Unit | ZX-Spectrum 48K/128K | Russian |
| 26591 | Obchodník | ZX-Spectrum 48K/128K | Czech |
| 3478 | Obliterator | ZX-Spectrum 48K/128K | English |
| 30210 | Oceano | ZX-Spectrum 48K/128K | English |
| 3487 | Octopussy | ZX-Spectrum 48K/128K | Slovak |
| 34636 | Octukitty | ZX-Spectrum 48K/128K | English |
| 25145 | Oddi the Viking | ZX-Spectrum 48K/128K | - |
| 34458 | Old Tower | ZX-Spectrum 48K/128K | English |
| 9385 | Olli & Lissa 3 | ZX-Spectrum 48K/128K | English |
| 1395 | Omega Dimension | ZX-Spectrum 48K/128K | Spanish |
| 34676 | Operation - Labyrinth Fall | ZX-Spectrum 48K/128K | English |
| 9386 | Operation Gunship | ZX-Spectrum 48K/128K | English |