Postal 2 Complete Prophet Exclusive !free! Online

The wasn't sold at Walmart. It was primarily sold directly through the Running With Scissors website. It promised the most complete, chaotic, and censored (or rather, un -censored) version of the game possible.

Check eBay, Yahoo Auctions Japan (the game has a cult following there), and the RWS official forums "Buy/Sell/Trade" section. Search strings: "Postal 2 Prophet" , "RWS Exclusive Box" , "Paradise Lost physical" . postal 2 complete prophet exclusive