Help the monsters have their freedom back. Get them out of the prison and clear the way so that they can get to the dimensional portal. Use your mouse.
Destroy all the combat robots that wanna finish with you. Move with W,A,S,D. Maintain pressed the mouse left button to shoot. Double click to place mines.
Move the ninja like Angry Birds and remove the enemies in every level. You only have three chances to do it. You can move your character in the air. Use your mouse.