Alien Killer description

The alien invasion has begun, we have one chance, and that is to stop them cold in their staging area. Do not allow them the escape this facility. The fate of humanity now depends on you!

You're the last hope for humanity! They're racing through offices, storehouses, and mysterious labs; your mission, should you accept it, is to save Planet Mars. Do you have what it takes?

This game features unlimited playtime. With high-quality, ambient music and amazing 3D graphics, saving the world has never been more fun!

Keep your lives, by defensive positions, firing guns into the endless waves of alien.