Help the rats reach the moon made out of cheese by aiming and firing your space cannon at it. Watch out for obstacles such as the gravitational pull of other planets and black holes that will mess up your trajectory.
Defend and manage a city that has been hit by a zombie apocalypse. Strategically decide how to spend each day whether it is looking for survivors, scavenging for supplies, building defenses, or other activities.
Build up your space station in each level and obliterate your enemies! Deploy turrets to defend your base and build a variety of structures to gather resources, create aircraft, and other strategic functions.