If there is one controversial game, then it’s probably Postal 3. If you’re into “evil” sandbox games, download this Windows 7 theme with free HD wallpapers.
Very few know that Postal 3 is running on Valve’s Source engine. Postal 3 will also be released for Mac OS X, PS3, XBOX 360 and even a Linux-supported version is planned.
Postal 3 Wallpapers
More game themes can be downloaded below.