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54		Alien Shooter (Windows, 2003)
50		Escape from the Planet of the Robot Monsters (DOS, 1990)
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50		Meat Puppet (Windows, 1997)
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50		Robotron X (Windows, 1997)
50		Phobos '99 (DOS, 1994)
47		DOOM³ (Windows, 2004)
45		Aliens Versus Predator 2 (Windows, 2001)
44		Psychotoxic (Windows, 2005)
44		Hellforces (Windows, 2005)
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43		DOOM (Windows, 2016)
43		Dead Space 2 (Windows, 2011)
43		DOOM (DOS, 1993)
43		System Shock (DOS, 1994)
43		Project Xenoclone (Windows, 2006)
43		Death Illustrated (Windows, 2002)
43		Shadowgrounds (Windows, 2006)
43		Atomaders (Windows, 2002)
43		DOOM II (DOS, 1994)
43		Aliens Versus Predator (Windows, 1999)
42		Crusader: No Regret (DOS, 1996)
42		Crusader: No Remorse (DOS, 1995)
42		Ubermosh Vol.3 (Windows, 2016)
42		Zombie Shooter (Windows, 2007)
42		Clive Barker's Jericho (Windows, 2007)
42		The Ultimate DOOM (DOS, 1995)
41		DOOM: VFR (Windows, 2017)
41		Corporate Lifestyle Simulator (Windows, 2014)
41		Martian Gothic: Unification (Windows, 2000)
41		Deployment (Windows, 2018)
41		DOOM II (Windows, 1995)
40		Mini Doom II (Windows, 2018)
40		In Extremis (DOS, 1993)
40		Reframed (Windows, 2018)
40		Xenomorph (Windows, 2018)
40		Bedlam 2: Absolute Bedlam (DOS, 1997)
40		Przeklęta Ziemia (DOS, 1998)
40		Corridor 7: Alien Invasion (DOS, 1994)
40		Ubermosh: Wraith (Windows, 2017)
40		Cthon (Windows, 2017)
40		PANDA RAMPAGE (Windows, 2011)
40		Cargo 3 (Windows, 2014)
40		Solarix (Windows, 2015)
40		Colonial Defence Force Ghostship (Windows, 2015)
40		The Ultimate DOOM (Windows, 1996)
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40		DOOM (Windows, 1995)
40		The Reap (Windows, 1997)
40		Postal (Windows, 1997)
40		Aliens vs Predator (Windows, 2010)
40		HMS Diptera (Windows, 2010)
40		Dead Effect (Windows, 2014)
40		Putrefaction (Windows, 2015)
40		Mini Doom (Windows, 2016)
40		Aliens: Colonial Marines (Windows, 2013)
40		Soldier Vs Aliens (Windows, 2013)
40		Crusader: No Remorse (Windows, 2011)
40		Crusader: No Regret (Windows, 2011)
40		Cobra (DOS, 1987)

Notes: Games similar to After the End, Games like After the End, Kraisoft Entertainment, Kraisoft Entertainment, Windows, Action, Cyberpunk, Dark Sci-Fi, Sci-Fi, Futuristic, Arcade, Shooter, Horror, Isometric, PC, Game Similarities.