You were kidnapped by terrorists and brought to a castle far away from the civilization. They force you to construct a nuclear bomb for their next big attack so it's your job to escape the castle.
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.
Fight your way through hordes of enemy monsters to destroy the evil boss. You get one life and note that helmet will recharge your lifebar. Play as a warrior or archer in single mode. Play with others in double mode.
