| 16591 | Regresion | ZX-Spectrum 48K | Spanish |
| 39470 | Regressão Simples | ZX-Spectrum 48K | Portuguese |
| 43474 | Reguly | ZX-Spectrum 48K | Polish |
| 29236 | Rekenen | ZX81 16K | Dutch |
| 18047 | Reloj | ZX-Spectrum 48K | Spanish |
| 19296 | Renaissance Europe | ZX-Spectrum 48K | English |
| 16594 | Representacion Grafica | ZX-Spectrum 48K | Spanish |
| 16583 | Representacion Tridimensional | ZX-Spectrum 48K | Spanish |
| 42119 | Representacion de Funciones | ZX-Spectrum 48K | Spanish |
| 19689 | Resistance | ZX-Spectrum 16K | English |
| 16589 | Resolucion de Triangulos | ZX-Spectrum 48K | Spanish |
| 18512 | Resolucion de Triangulos | ZX-Spectrum 48K | Spanish |
| 18224 | Reubicador Z-80 | ZX-Spectrum 48K | Spanish |
| 13882 | Reversals | ZX-Spectrum 48K | English |
| 12042 | Revise Physics | ZX-Spectrum 48K | English |
| 25026 | Revision | ZX-Spectrum 16K | English |
| 25365 | Revision Master: The Tempest | ZX-Spectrum 48K | English |
| 20471 | Revision Maths | ZX-Spectrum 48K | English |
| 24951 | Rhyme Land | ZX-Spectrum 48K | English |
| 41547 | Rising Numbers | ZX81 16K | English |