65		Sally's Law (Windows, 2016)
65		Quiet Christmas (Windows, 2017)
65		Quiet, Please! (Windows, 2017)
64		Snowball Saves Summer (Windows, 2018)
64		The Thin Silence (Windows, 2018)
64		Little Bug (Windows, 2018)
64		The Fall Part 2: Unbound (Windows, 2018)
62		Earl Mansin: The Breakout (Windows, 2007)
62		Botanicula (Windows, 2012)
61		Cloning Clyde (Windows, 2011)
61		Sydney Treads the Catwalk (Windows, 2008)
60		Dacey in the Dark (Windows, 2010)
60		Da New Guys: Day of the Jackass (Windows, 2012)
60		Clover (Windows, 2010)
60		Hook (DOS, 1992)
60		Earl Bobby is looking for his Shoes (Windows, 2005)
57		MagiCat (Windows, 2017)
57		The Mooseman (Windows, 2017)
57		Distraint 2 (Windows, 2018)
57		Wandersong (Windows, 2018)
56		Boor (Windows, 2017)
55		Embers of Mirrim (Windows, 2017)
55		Vive le Roi (Windows, 2017)
55		Ascender (Windows, 2017)
55		The Grimsworth Reports: Woodfall (Windows, 2017)
55		I Fell from Grace (Windows, 2017)
55		The Gardens Between (Windows, 2018)
55		Maniac Mansion (Windows, 2017)
55		Tobu Tobu Girl (Windows, 2017)
55		Luna (Windows, 2017)
55		Reverie (Windows, 2017)
55		forma.8 (Windows, 2017)
54		Super Saurio Fly (Windows, 2018)
54		Golem (Windows, 2018)
54		Vive le Roi 2 (Windows, 2018)
54		Sally Face: Episode One - Strange Neighbors (Windows, 2016)
54		The Adventures of Elena Temple (Windows, 2018)
54		Mirage of Dragon (Windows, 2018)
54		Maniac Mansion: Day of the Tentacle (DOS, 1993)
54		Samsara (Windows, 2018)
54		Tiny Hands Adventure (Windows, 2018)
54		Steampunker (Windows, 2018)
54		Don't Disturb (Windows, 2016)
54		Stray (Windows, 2016)
54		Rage in Peace (Windows, 2018)
54		Jack N' Jill (Windows, 2018)
54		Alpha Runner (Windows, 2015)
54		Ghostdream (Windows, 2016)
53		Superbrothers: Sword & Sworcery EP (Windows, 2012)
53		Reveal the Deep (Windows, 2015)
53		No Time To Explain: Remastered (Windows, 2015)
53		Pikuniku (Windows, 2019)
52		Whispering Willows (Windows, 2014)
52		The Book of Unwritten Tales: The Critter Chronicles (Windows, 2011)
52		Silence of the Sleep (Windows, 2014)
52		The Dig (DOS, 1995)
52		Gabriel Knight: Sins of the Fathers (DOS, 1993)
51		Loom (DOS, 1990)
51		Maniac Mansion (DOS, 1988)
51		Finding Teddy (Windows, 2013)
51		Loom (Windows, 2009)
51		Waking Mars (Windows, 2012)
50		Return of Die Vie Ess (Windows, 2001)
50		Cruise for a Corpse (DOS, 1991)
50		Lassi Quest (DOS, 1999)
50		Lunchtime of the Damned (Windows, 2001)
50		Doc Clock: The Toasted Sandwich of Time (Windows, 2010)
50		Rulai Jingang Quan Chuanqi (DOS, 1992)
50		Captain Delta und die Quelle von Argos (Windows, 2006)
50		I Spy (Windows, 2001)
50		RON 2 and 1/2: Fowl Play (Windows, 2001)
50		Gabriel Knight: Sins of the Fathers (Windows, 2010)
50		The Dig (Windows, 2002)
50		III-Spy (Windows, 2003)
50		Poacher (Windows, 2012)
50		Tom Long: The Time Adventure (DOS, 1994)
50		Reversion: Chapter 1 - The Escape (Windows, 2012)
50		I Spy (DOS, 2001)
47		Four Last Things (Windows, 2017)
45		Oxenfree (Windows, 2016)
45		Lupus in Fabula (Windows, 2017)
45		Dark Train (Windows, 2016)
45		The Book of Unwritten Tales 2 (Windows, 2015)
45		Goetia (Windows, 2016)
45		Cosmic Pioneer (Windows, 2017)
45		Firewood (Windows, 2017)
45		Planet RIX-13 (Windows, 2017)
45		ElMia (Windows, 2017)
44		The Interactive Adventures of Dog Mendonça & Pizza Boy (Windows, 2016)
44		Sleeping Valley (Windows, 2016)
44		Monkey Island 2: LeChuck's Revenge (DOS, 1991)
44		The Bell Chimes for Gold (Windows, 2018)
44		Dream Alone (Windows, 2018)
43		Teddy Floppy Ear: Kayaking (Windows, 2015)
43		Zak McKracken and the Alien Mindbenders (Windows, 2015)
42		Zak McKracken and the Alien Mindbenders (DOS, 1988)
42		The Book of Unwritten Tales (Windows, 2009)

Notes: Games similar to Deep Horizon, Games like Deep Horizon, Ventura Science, Ventura Science, Windows, Adventure, Platform, Puzzle elements, Side view, 2D scrolling, PC, Game Similarities.