Unlock the rocket launcher
Obtain 10 Gold Medals
Obtain all medals
Survive 20 waves in Survival Mode
Survive 10 waves in survival Mode
Finish the first level.
Gear up as a full metal, heavy mechanical commando and fire it up! Make your path through the enemy war zone as you keep the trigger down tight, unleashing full firepower from the devastating Machine Gun Cannon to the dreaded Rocket Launcher and many more weapons at anyone in your way!