You can rescue people from fires, rescue hostages from fast moving cars, pick up and dispose of bombs, rescue people from fires, fight street thugs, assist the police in armed standoffs and rescue citizens who are trapped on or under things.

You'll encounter the same few enemy types over and over: Unarmed street thug, street thug with a gun, street thug with a bat, street thug with a sniper rifle, chick with a knife (I think they're called speedies), and a fat dude that has to be stunned before hitting him