From Running With Scissors:
Forget what you know about first person shooters. Walk a week in the Postal Dude's shoes. Freely explore full 3D open-ended environments, investigate every house and building, but watch out--the occupants may not be happy to see you! Interact with over 100 unique NPCs including Gary Coleman, marching bands, dogs, cats, terrorists, librarians, and more. Postal 2: Share The Pain is all about choice: experiment with everyone and everything, and remember... it's only as violent as you are.
Postal 2: Share The Pain compounds the insanity by adding outrageous multiplayer modes. The unique map designs will have you setting traps, running for cover and launching ambushes at will.