46		Goosebumps: The Game (Windows, 2015)
45		Directionless (Windows, 2016)
45		Dark Night (Windows, 2016)
45		Alone? VR (Windows, 2016)
45		Time of Silence (Windows, 2016)
45		Fibrillation HD (Windows, 2017)
45		Deathlike: Awakening (Windows, 2016)
45		Staircase of Darkness: VR (Windows, 2016)
45		Erusal (Windows, 2016)
44		Hektor (Windows, 2015)
44		Abandoned (Windows, 2015)
44		Midnight Library (Windows, 2015)
44		Five Nights at Freddy's 3 (Windows, 2015)
44		Uninvited: MacVenture Series (Windows, 2015)
44		Sad Satan (Windows, 2015)
44		One Night at Flumpty's (Windows, 2015)
44		The Park (Windows, 2015)
44		Turn Around (Windows, 2017)
44		Bonbon (Windows, 2017)
44		A Haunting: Witching Hour (Windows, 2017)
44		Purgation (Windows, 2017)
44		AFFECTED: The Manor (Windows, 2017)
44		Paranormal Activity: The Lost Soul (Windows, 2017)
44		Inner Voices (Windows, 2017)
44		Five Nights at Freddy's (Windows, 2014)
44		The Static Speaks My Name (Windows, 2015)
44		VERGE:Lost chapter (Windows, 2015)
44		Morphine (Windows, 2015)
44		Cold Dreams (Windows, 2015)
44		Lumber Island - That Special Place (Windows, 2015)
44		A Wolf in Autumn (Windows, 2015)
44		123 Slaughter Me Street (Windows, 2015)
43		Pineview Drive (Windows, 2014)
43		Five Nights at Freddy's 2 (Windows, 2014)
43		Affected: The Horror Experience (Windows, 2014)
43		Bunker 16 (Windows, 2014)
43		CrossSide: The Prison (Windows, 2018)
43		Starbo (Windows, 2018)
43		The Interview (Windows, 2014)
42		Sacred Line (Windows, 2013)
42		Slender: The Arrival (Windows, 2013)
41		Sherlock Holmes vs. Jack the Ripper (Windows, 2009)
41		The 4th Wall (Windows, 2012)
41		SCP-087 (Windows, 2012)
40		Which (Windows, 2010)
40		Gothos (Windows, 1997)
40		Beasts (DOS, 2004)
40		...A Personal Nightmare (Windows, 2009)
40		Beyond the Threshold (Windows, 2006)
40		Beasts (Windows, 2004)
40		Delaware St. John: Volume 1: The Curse of Midnight Manor (Windows, 2005)
40		A Mother's Inferno (Windows, 2011)
40		Sherlock Holmes: The Awakened (Windows, 2007)
40		The Dark Eye (Windows, 1995)
40		Uninvited (DOS, 1988)
40		...A Personal Nightmare (DOS, 1989)
40		Zaphie (Windows, 1999)
40		Last Half of Darkness II (DOS, 1992)
40		Harvest (Windows, 2002)
40		Last Half of Darkness III (DOS, 1993)

Notes: Games similar to Under Zero, Games like Under Zero, Obidak Software, Dagestan Technology, Windows, Adventure, Horror, 1st-person, PC, Game Similarities.