| 44134 | Kriger | ZX81 16K | Danish |
| 31704 | Krypton Ordeal | ZX81 16K | - |
| 43299 | Kurvendiskussion | ZX81 16K | German |
| 37388 | L'île Au Trésor | ZX81 16K | French |
| 32028 | L-Systems | ZX81 16K | English |
| 29028 | LANDSCAP | ZX81 16K | English |
| 42495 | LIFE | ZX81 16K | Portuguese |
| 41767 | LIST | ZX81 16K | Portuguese |
| 41627 | LIST Option | ZX81 16K | English |
| 31705 | LText/ZText | ZX81 16K | - |
| 35924 | La Maison Du Professeur Folibus | ZX81 16K | French |
| 36277 | La Maison Du Professeur Folibus | ZX81 16K | French |
| 29027 | La Pulga | ZX81 16K | English |
| 40140 | Label Maker | ZX81 16K | English |
| 43478 | Labirinto Tridimensional | ZX81 16K | Portuguese |
| 35699 | Laby | ZX81 16K | English |
| 36003 | Labyrinth | ZX81 16K | English |
| 39952 | Labyrinth | ZX81 16K | English |
| 40008 | Labyrinth | ZX81 16K | English |
| 31706 | Labyrinth | ZX81 16K | - |