| 10720 | Alien Planet | ZX-Spectrum 48K | English |
| 14663 | Alien Planet + Lords of Magic | ZX-Spectrum 48K | English |
| 37617 | Alien Planet Underwater Research | ZX-Spectrum 48K | English |
| 37424 | Alien Planet Underwater Research Sea of Horror | ZX-Spectrum 48K | English |
| 39253 | Alien Raid | ZX-Spectrum 48K | English |
| 15984 | Alien Rain | ZX-Spectrum 16K | English |
| 39861 | Alien Rescue | ZX81 16K | English |
| 5944 | Alien Research Centre | ZX-Spectrum 48K | English |
| 34908 | Alien Research Centre 2 | ZX-Spectrum 48K | English |
| 36390 | Alien Research Centre 3 | ZX-Spectrum 48K | English |
| 154 | Alien Rupture | ZX-Spectrum 48K | English |
| 40715 | Alien Search | ZX81 16K | English |
| 23541 | Alien Serch | ZX-Spectrum 48K | English |
| 37834 | Alien Showdown | ZX-Spectrum 48K | English |
| 37266 | Alien Slaphead | ZX-Spectrum 48K/128K | English |
| 19118 | Alien Snipers | ZX-Spectrum 16K | English |
| 155 | Alien Storm | ZX-Spectrum 48K/128K | English |
| 40035 | Alien Storm | ZX-Spectrum 48K | English |
| 156 | Alien Swarm | ZX-Spectrum 16K | English |
| 12260 | Alien Swarm + Arena! | ZX-Spectrum 16K | English |