Postal2
Is an awesome game get the free demo
Postal2  Webpage Link
You can be a  good guy, or a bad guy with nothing better to do than Steal,Kill,Kick women around, Piss in alleys,Start fires and do Drugs. Or be just a guy training his dog to fetch a paper,and buying some milk.
Free Demo Link Has Multiplayer and Solo
Here are some Cheats you can use with the demo

Use the ~ key to drop console     
Commands  are                                                                       SISSY         (activates cheat mode)
Set Gamestate Demotime 9999   (gives you more time)
Alamode      (God Mode)

The game loads slow but once your in everything is fine.
You start out in your backyard. There are dog treats in the tool shed. When you have the daily paper train your dog to fetch it useing the treats. All you have to do now is go to the neighborhood store and buy some milk. What you do on the way is up to you.
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