| 36998 | Reaction | ZX-Spectrum 16K | English |
| 19552 | Reaction Test | ZX-Spectrum 48K | English |
| 17344 | Reaction Tester | ZX-Spectrum 16K | English |
| 15824 | Reactions | ZX-Spectrum 48K | English |
| 23749 | Read 'n' Tell | ZX-Spectrum 48K | English |
| 9169 | Reader | ZX-Spectrum 48K | English |
| 15550 | Reader | ZX-Spectrum 48K | English |
| 24857 | Reading Aid 1 | ZX-Spectrum 48K | English |
| 24858 | Reading Aid 2 | ZX-Spectrum 48K | English |
| 19685 | Reading Graphs + Graph Plotting | ZX-Spectrum 16K | English |
| 20430 | Reading Music | ZX-Spectrum 16K | English |
| 25182 | Reakcje Jadrowe | ZX-Spectrum 48K | Polish |
| 25184 | Reakcje Termonuklearne | ZX-Spectrum 48K | Polish |
| 40014 | Rearrange | ZX81 16K | English |
| 17250 | Reasoning - 11+ Yrs | ZX-Spectrum 16K | English |
| 39469 | Recta | ZX-Spectrum 48K | Portuguese |
| 12039 | Red Riding Hood | ZX-Spectrum 48K | English |
| 37527 | Reductor de Fracciones | ZX-Spectrum 48K | Spanish |
| 18082 | Reflexion de la Luz: Espejos Esfericos | ZX-Spectrum 48K | Spanish |
| 18081 | Reflexion de la Luz: Espejos Planos | ZX-Spectrum 48K | Spanish |