Shoot, upgrade, conquer enemies, defeat bosses, acquire achievements, collect gems, all in an attempt to save yourself and your gun from the clutches of the evil Professor.
Save your city from legions of dangerous machines, piloting your own mech suit. Hold back the machines long enough for the EMP to be built and save the day.
In the dawn of the 22nd century, monsters from other dimensions rove the earth as mankind is driven to the brink of extinction. One brave man goes on a mission to rid the earth of these mutants and return them to the hellish pit from which they spawned.
Mankind has been traveling through a cloud. The sky has been dark ever since the war began. It's time for mankind to end the war before the war puts an end to mankind.