| ID | Title | Machine | Language |
|---|---|---|---|
| 31779 | Renumbering Program | ZX81 16K | - |
| 42489 | Renumerando | ZX81 16K | Portuguese |
| 40822 | Repeat | ZX81 16K | English |
| 40205 | Repeat-Until | ZX81 16K | English |
| 41184 | Repetition | ZX81 16K | English |
| 40113 | Replace$ | ZX81 16K | English |
| 29621 | Replicate | ZX81 16K | English |
| 41141 | Resistor Colour Code | ZX81 16K | English |
| 39942 | Resistor Colour Codes | ZX81 16K | English |
| 44979 | Retorno dos Vegas | ZX81 16K | Portuguese |
| 36661 | Retro Beamer | ZX81 16K | English |
| 35921 | RetroSnake | ZX81 16K | English |
| 35703 | Reverse | ZX81 16K | English |
| 43844 | Reversi | ZX81 16K | German |
| 29243 | Reversi | ZX81 16K | Dutch |
| 29244 | Reversi | ZX81 16K | English |
| 43301 | Reversi | ZX81 16K | German |
| 31780 | Reversi | ZX81 16K | - |
| 31781 | Reversi | ZX81 16K | - |
| 32050 | Rezurrection | ZX81 16K | English |