In the middle of a war, your defensive position has been overrun by the enemy. You must get away before the enemy start mopping-up. Engage yourself in a deadly road battle and shoot your way out of danger!
A Prisoner bus is being attacked by local group of gangsters in downtown. Protect the prisoner bus from all types of assaults until the reinforcement arrives.
Zombie lunatics are attacking the city in broad daylight! Grab your SWAT weapons and let's grind some zombies into ground meat. You must protect the city, and above all, the president!
