45		RedJack: The Revenge of the Brethren (Windows, 1998)
43		The Lords of Tantrazz (Windows, 1996)
43		Stay Tooned! (Windows, 1996)
41		Penumbra: Black Plague (Windows, 2008)
40		This is Infinity (Windows, 2009)
40		Hærfest (Windows, 2009)
40		Penumbra: Overture - Episode 1 (Windows, 2007)
40		Wild West Quest (Windows, 2008)

Notes: Games similar to Titanic: A Mysterious Undersea Adventure, Games like Titanic: A Mysterious Undersea Adventure, Dosch Design, ARI Data CD GmbH, Windows, Action, Adventure, Arcade, Puzzle elements, 1st-person, Aquatic, Underwater, Submarine, PC, Game Similarities.