Your objective is to eliminate the mop boss. Drive your car to look for him. Give them the passport to hell to the gangsters that wanna finish you. Remember to buy enough ammo after every level.
You are responsible for assembling your robot in that laboratory, by placing the pieces that the scientists give you. Prepare it for the spectacular fights that you will do after... Assemble it and fight using the mouse.
Choose your favourite character and the car that you like, getting ready to hit the opponents. You can make improvements and unlocking things as you go forward on it...