72		Postal² (Windows, 2003)
55		Duke Nukem Forever (Windows, 2011)
54		MDK 2 HD (Windows, 2012)
53		MDK (Windows, 1997)
53		MDK (DOS, 1997)
52		MDK 2 (Windows, 2000)
51		Serious Sam II (Windows, 2005)
40		Hitman: Absolution (Windows, 2012)
40		Wanted: Weapons of Fate (Windows, 2009)
40		Team Fortress 2 (Windows, 2008)
40		Breach (Windows, 2011)

Notes: Games similar to Postal III, Games like Postal III, RWS, Inc., TM Studios, Akella, Windows, Action, Shooter, Comedy, Behind view, Source, PhysX, PC, Game Similarities.