Xenonauts

Take control of a multinational military organization trying to defend the Earth from an alien invasion. Their main aim is to eliminate the extraterrestrials and obtain their technology. Play as groups of soldiers and take them from green rookies to hardened veterans.

Xenonauts is set in the Cold War era of the 1970s. With over fifty varieties of aliens to shoot down, players must plan every move carefully or die at the hands of these bizarre beasts.