43		SCP-087-B (Windows, 2012)
42		Space Blaster (Lines) (Windows, 2013)
42		Baby Blues: Toddler Horror Game (Windows, 2013)
41		The Hat Man: Shadow Ward (Windows, 2014)
41		Dracula: The Days of Gore (Windows, 2006)
40		Dead Effect 2: VR (Windows, 2017)
40		Ben the Exorcist (Windows, 2017)
40		Visitors: Marine Invasion (Windows, 2017)
40		The Village (Windows, 2017)
40		Final Rest (Windows, 2017)
40		Raw Footage (Windows, 2018)
40		Sexy Serial Killer (Windows, 2018)
40		Clown House (Windows, 2015)
40		Death Tractor (Windows, 2015)
40		Land of the Dead: Road to Fiddler's Green (Windows, 2005)
40		Potato Thriller (Windows, 2016)
40		Goosebumps: Attack of the Mutant (Windows, 1997)
40		Boo Breakers: The Ghostening (Windows, 2016)
40		Nitemare-3D (DOS, 1994)

Notes: Games similar to Euthanasia, Games like Euthanasia, Windows, Action, Horror, 1st-person, PC, Game Similarities.