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

Notes: Games similar to Sacred Line, Games like Sacred Line, Windows, Adventure, Horror, 1st-person, Unity, PC, Game Similarities.