85		Duke Nukem 3D (DOS, 1996)
77		No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Windows, 2002)
72		Postal III (Windows, 2011)
60		Postal: Redux (Windows, 2016)
57		Tom Clancy's Splinter Cell: Blacklist (Windows, 2013)
56		Tom Clancy's Splinter Cell: Conviction (Windows, 2010)
55		Left 4 Dead 2 (Windows, 2009)
55		Left 4 Dead (Windows, 2008)
55		Medal of Honor: Pacific Assault (Windows, 2004)
54		Eight Legged Freaks (Windows, 2002)
54		MDK 2 (Windows, 2000)
54		Serious Sam II (Windows, 2005)
53		Wolfenstein II: The New Colossus (Windows, 2017)
53		Robo Recall (Windows, 2017)
53		MDK (DOS, 1997)
53		MDK (Windows, 1997)
53		Team Fortress 2 (Windows, 2008)
53		Deer Avenger 4: The Rednecks Strike Back (Windows, 2001)
52		Shadow Warrior 2 (Windows, 2016)
52		Valley (Windows, 2016)
52		Arizona Sunshine (Windows, 2016)
52		Shadow Warrior (DOS, 1997)
52		Shadow Warrior (Windows, 2013)
52		Redneck Rampage (DOS, 1997)
51		Far Cry 5 (Windows, 2018)
51		Shadow Warrior (Windows, 2013)
51		Call of Duty: Advanced Warfare (Windows, 2014)
50		Rise of the Wool Ball (Windows, 2017)
50		The Adventures of Square (Windows, 2014)
50		Screencheat (Windows, 2014)
50		Cabela's Big Game Hunter: Pro Hunts (Windows, 2014)
50		Fly Simulator (Windows, 2017)
50		Dracula: Vampires vs. Zombies (Windows, 2017)
50		Batla Shooter (Windows, 2015)
50		Sneaky Bears (Windows, 2017)
50		Hangry Bunnies from Mars (Windows, 2017)
50		Duke Nukem Forever (Windows, 2011)
50		Overkill's The Walking Dead (Windows, 2018)
50		Cornflakestein (Windows, 2017)
50		MDK 2 HD (Windows, 2012)
50		Shadow of the Wool Ball (Windows, 2016)
50		Secret Service (Windows, 2008)
50		Turning Point: Fall of Liberty (Windows, 2008)
50		Zombeer (Windows, 2015)
50		Homefront: The Revolution (Windows, 2016)
45		The Operative: No One Lives Forever (Windows, 2000)
44		Command & Conquer: Renegade (Windows, 2002)
43		Bovinator (Windows, 2001)
42		Super Amazing Wagon Adventure (Windows, 2013)
41		Call of Duty: Black Ops II (Windows, 2012)
40		War of Rights (Windows, 2018)
40		Call of Duty: Ghosts (Windows, 2013)
40		What the Box? (Windows, 2016)
40		Gunman Taco Truck (Windows, 2017)
40		Winter Warland (Windows, 2017)

Notes: Games similar to Postal², Games like Postal², RWS, Inc., Whiptail Interactive, Windows, Action, North America, Shooter, Comedy, 1st-person, UnrealEngine2, PC, Game Similarities.