| 44678 | Alien Annihilation | ZX-Spectrum Next | English |
| 42392 | Alien Atak | ZX-Spectrum 48K | English |
| 41285 | Alien Attack | ZX-Spectrum 48K | English |
| 40020 | Alien Attack | ZX81 16K | English |
| 45167 | Alien Attack | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 44472 | Alien Attack | ZX81 1K | English |
| 45166 | Alien Attack 2: Invaded colony | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 9469 | Alien Block | ZX-Spectrum 48K | English |
| 41807 | Alien Chase | ZX81 16K | - |
| 37192 | Alien Crawler | ZX81 1K | - |
| 30510 | Alien Death Mine Massacre XII | ZX-Spectrum 48K | English |
| 41364 | Alien Egg Drop | ZX81 16K | English |
| 41389 | Alien Enforcer | ZX-Spectrum 16K | English |
| 149 | Alien Evolution | ZX-Spectrum 48K/128K | English |
| 36381 | Alien Girl | ZX-Spectrum 48K/128K | Multi-language: English, Spanish |
| 36929 | Alien Girl - Skirmish Edition | ZX-Spectrum 128K | Multi-language: English, Spanish |
| 43633 | Alien Invaders | ZX81 16K | English |
| 152 | Alien Kill | ZX-Spectrum 48K | English |
| 41043 | Alien Lander | ZX81 16K | English |
| 9472 | Alien Mine | ZX-Spectrum 16K | English |