Part 1 of the most insane games I have ever played. Cats as silencers? Pee on yourself to put out fires? BURNING BOOKS TO SAVE TREES?!
Nothing is crazy enough.
Disclaimer: I do not own Postal 2 or it's expansion, nor any featured content unless I explicitely have created it myself (which is unlikely)
Also check out DeadAirGaming, Noximous and Supremopete's Channels.
http://www.youtube.com/user/SupremoPete
http://www.youtube.com/user/noximous?feature=results_main
http://www.youtube.com/user/deadairgaming?feature=results_main