Also note: To pickup an item press F To throw a weapon away press G To enter a vehicle or exit it, or enter a mounted gun, F WASD are the move controls.
If you pres W twice while next to someone you'll push them or so (and do damage), if airborn, a kick and do more damage, if crouched an uppercut sort of thing, if airborn, and crouched, and w twice, a super uppercut or so.
