Alien Shooter Collection
The continuation of the alien invasion story includes new missions and levels full of endless hordes of monsters. You'll have to return to abandoned laboratories to find a secret virus that can put a stop to the alien invasion once and for all!
An Experiment: The virus designed to kill the monsters was a failure. The scientists are taking drastic measures: they're creating new monsters which should be able to kill their predecessors. Did the scientists' plan work, or has something gone wrong?