45		Penumbra: Black Plague (Windows, 2008)
45		Hærfest (Windows, 2009)
44		uin (Windows, 2010)
44		Wild West Quest (Windows, 2008)
43		Penumbra: Overture - Episode 1 (Windows, 2007)
42		Spuds Quest (Windows, 2006)
41		Garfield (Windows, 2005)
40		The Lords of Tantrazz (Windows, 1996)
40		Marvel Comics Spider-Man: The Sinister Six (DOS, 1996)
40		Titanic: A Mysterious Undersea Adventure (Windows, 1998)
40		RedJack: The Revenge of the Brethren (Windows, 1998)
40		Batman: Toxic Chill (Windows, 2003)
40		Batman: Justice Unbalanced (Windows, 2003)
40		Stay Tooned! (Windows, 1996)

Notes: Games similar to This is Infinity, Games like This is Infinity, Cactus Software, Cactus Software, Windows, Action, Adventure, Puzzle elements, 1st-person, 3rd-person, Other, PC, Game Similarities.