Play Aliens - Thanatos Encounter online in your browser and enjoy with Emulator Games Online! Aliens - Thanatos Encounter is GBC game USA region version that you can play free on our site. This game has action genres for Game Boy Color console and is one of a series of Alien games. If you love Alien games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Aliens - Thanatos Encounter.