66		Exit (Xbox 360, 2007)
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63		Dark (Xbox 360, 2009)
63		Exit 2 (Xbox 360, 2009)
62		The Brain of Bob (Xbox 360, 2010)
62		Kalimba (Xbox One, 2014)
62		Max: The Curse of Brotherhood (Xbox One, 2013)
62		The Adventures of Shuggy (Xbox 360, 2011)
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61		Shantae and the Pirate's Curse (Xbox One, 2016)
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60		Where Are My Friends? (Xbox One, 2018)
60		Pinstripe (Xbox One, 2018)
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60		FeeSoeeD (Xbox One, 2018)
60		Max: The Curse of Brotherhood (Xbox 360, 2014)
60		Feist (Xbox One, 2016)
60		Toby: The Secret Mine (Xbox One, 2017)
60		Deadlight (Xbox 360, 2012)
60		TurnOn (Xbox One, 2016)
60		World Gone Sour (Xbox 360, 2012)
60		A Boy and His Blob (Xbox One, 2016)
60		Monochroma (Xbox One, 2016)
60		Teslagrad (Xbox One, 2016)
60		6180 the moon (Xbox One, 2015)
60		So Many Me (Xbox One, 2015)
60		The Deer God (Xbox One, 2015)
60		Ethan: Meteor Hunter (Xbox One, 2016)
60		Deadlight: Director's Cut (Xbox One, 2016)
60		Leo's Fortune (Xbox One, 2015)
56		Shadow Complex (Xbox 360, 2009)
55		Limbo (Xbox 360, 2010)
54		Inside (Xbox One, 2016)
53		Alien Pyramid Challenge! (Xbox 360, 2009)
53		SpongeBob SquarePants: Lights, Camera, Pants! (Xbox, 2005)
53		Trine 2 (Xbox 360, 2011)
53		Ori and the Blind Forest (Xbox One, 2015)
52		Duke Nukem: Manhattan Project (Xbox 360, 2010)
52		Unravel Two (Xbox One, 2018)
52		Little Nightmares (Xbox One, 2017)
50		SteamWorld Dig 2 (Xbox One, 2018)
50		Limbo (Xbox One, 2014)
50		SteamWorld Dig: A Fistful of Dirt (Xbox One, 2015)
50		Thomas was Alone (Xbox One, 2014)
50		Unravel (Xbox One, 2016)
50		Gods: Remastered (Xbox One, 2018)
50		The Way (Xbox One, 2017)
50		Exile's End (Xbox One, 2016)
50		Hell Yeah!: Wrath of the Dead Rabbit (Xbox 360, 2012)
50		Bard's Gold (Xbox One, 2016)
50		Organic Panic (Xbox One, 2016)
50		Aaru's Awakening (Xbox One, 2015)
50		Schrödinger's Cat and the Raiders of the Lost Quark (Xbox One, 2015)
50		Kyurinaga's Revenge (Xbox One, 2017)
50		Disney Epic Mickey 2: The Power of Two (Xbox 360, 2012)
50		Flashback (Xbox 360, 2013)
50		Shadow Complex: Remastered (Xbox One, 2016)
50		Capsized (Xbox 360, 2013)
50		Seasons after Fall (Xbox One, 2017)
43		Shinobi (Xbox 360, 2009)
43		Altered Beast (Xbox 360, 2009)
43		Comix Zone (Xbox 360, 2009)
42		Owlboy (Xbox One, 2018)
42		Yoku's Island Express (Xbox One, 2018)
41		Castlevania: Lords of Shadow - Mirror of Fate (Xbox 360, 2013)
40		South Park: Tenorman's Revenge (Xbox 360, 2012)
40		Cobalt (Xbox 360, 2016)
40		Cobalt (Xbox One, 2016)
40		Stealth Inc. 2: A Game of Clones (Xbox One, 2015)

Notes: Games similar to Ecco the Dolphin, Games like Ecco the Dolphin, Novotrade Software Kft., SEGA of America, Inc., Xbox 360, Action, Puzzle elements, Side view, 2D scrolling, Aquatic, Underwater, Microsoft Xbox, Game Similarities.