Mass Mayhem 4 (Unhacked Version)

Game Information
Description: In this 4th edition action series you get to create total havoc! With more weapons to use, bigger upgrades and badder costumes. There's 40 awesome objectives to complete, including underground passages, a busy freeway and even a nuclear plant! Go on crazy killing sprees and destroy everything on your path.

Controls: Arrow keys to move and aim.
R key to use jet-pack.
E to switch weapons
Spacebar to use or drop weapons.