99		Hugo's House of Horrors (DOS, 1990)
74		Trilby's Notes (Windows, 2006)
65		Call of Cthulhu: Shadow of the Comet (DOS, 1994)
63		The Dark Convergence (DOS, 1993)
63		Clock Tower (Windows, 1997)
60		Home (Windows, 2013)
60		Call of Cthulhu: Shadow of the Comet (Windows, 2015)
55		The 11th Hour (DOS, 1995)
55		The 11th Hour (Windows, 1995)
55		Gabriel Knight: Sins of the Fathers (DOS, 1993)
55		Shivers (Windows, 1995)
55		Wolfsbane (DOS, 1995)
54		The Darkest Night (DOS, 1996)
54		AMBER: Journeys Beyond (Windows, 1996)
53		Distraint 2 (Windows, 2018)
53		The 7th Guest (DOS, 1993)
53		The 7th Guest (Windows, 1997)
52		5 Days a Stranger (Windows, 2003)
52		Ben Jordan: Paranormal Investigator Case 4 - Horror at Number 50 (Windows, 2005)
52		Tomb of Zojir: Last Half of Darkness (Windows, 2009)
52		Scratches (Director's Cut) (Windows, 2007)
51		Inherent Evil: The Haunted Hotel (Windows, 1999)
51		Last Half of Darkness: Shadows of the Servants (Windows, 2005)
50		Psycho (DOS, 1988)
50		Last Half of Darkness (DOS, 1989)
50		Reveal the Deep (Windows, 2015)
50		Gabriel Knight: Sins of the Fathers (Windows, 2010)
50		William R. Fisher's Beyond the Spirit's Eye (Windows, 2007)
50		Silence of the Sleep (Windows, 2014)
50		Scratches (Windows, 2006)
50		Haunted Hotel: Lonely Dream (Windows, 2010)
50		Haunted Manor: Lord of Mirrors (Windows, 2010)
50		Whispering Willows (Windows, 2014)
50		Haunted Halls: Green Hills Sanitarium (Windows, 2010)
50		Last Half of Darkness: Society of the Serpent Moon (Windows, 2011)
44		The Dark Convergence II (DOS, 1994)
42		Detention (Windows, 2017)
41		Goetia (Windows, 2016)
41		Oxenfree (Windows, 2016)
40		Strange Telephone (Windows, 2019)
40		Firewood (Windows, 2017)
40		Dream Alone (Windows, 2018)

Notes: Games similar to Hugo's House of Horrors, Games like Hugo's House of Horrors, Gray Design Associates, Windows, Adventure, Graphic Adventure, Puzzle elements, Horror, Side view, Haunted house, PC, Game Similarities.