| 25086 | Nálet | ZX-Spectrum 48K | Czech |
| 43171 | Námořní bitva | ZX-Spectrum 16K | Czech |
| 25483 | Návrat | ZX-Spectrum 48K | Czech |
| 38415 | Návrh plošných spojů | ZX-Spectrum 48K | Czech |
| 38411 | Němčina pro samouky | ZX-Spectrum 48K | Czech |
| 26591 | Obchodník | ZX-Spectrum 48K/128K | Czech |
| 25087 | Obrázky | ZX-Spectrum 48K | Czech |
| 35411 | Oko | ZX-Spectrum 48K | Czech |
| 36852 | Omikron Games Collection | ZX-Spectrum 48K | Czech |
| 35412 | On the Road | ZX-Spectrum 48K | Czech |
| 36804 | Oradot | ZX-Spectrum 48K | Czech |
| 36803 | Oradot 2 | ZX-Spectrum 48K | Czech |
| 39539 | Orba | ZX-Spectrum 48K | Czech |
| 16708 | Orbis Pictus - Angličtina 1 | ZX-Spectrum 48K | Czech |
| 16714 | Orbis Pictus - Němčina 1 | ZX-Spectrum 48K | Czech |
| 44515 | Orbis Pictus - Němčina 2 | ZX-Spectrum 48K | Czech |
| 38394 | Orientační inventář | ZX-Spectrum 48K | Czech |
| 3547 | Orion | ZX-Spectrum 48K | Czech |
| 38396 | Osobnostní test | ZX-Spectrum 48K | Czech |
| 38395 | Osobní informační systém Info | ZX-Spectrum 48K | Czech |