64		Phantasmat (Windows, 2011)
63		Lost Civilization (Windows, 2014)
63		Jade Rousseau: The Secret Revelations - The Fall of Sant' Antonio (Windows, 2010)
62		3 Cards to Midnight (Windows, 2009)
62		Hostile Makeover (Windows, 2009)
61		Crime Secrets: Crimson Lily (Windows, 2016)
61		The Secret of Margrave Manor (Windows, 2008)
60		Beyond the Invisible: Darkness Came (Windows, 2018)
60		Mysteryville (Windows, 2007)
60		Ashley Clark: Secret of the Ruby (Windows, 2018)
60		Path of Sin: Greed (Windows, 2018)
60		Private Eye: Greatest Unsolved Mysteries (Windows, 2007)
60		Interpol: The Trail of Dr. Chaos (Windows, 2007)
55		Bluebeard's Castle (Windows, 2012)
54		Jewel Quest Mysteries: The Seventh Gate (Windows, 2011)
54		Urban Legends: The Maze (Windows, 2013)
51		The Panic Room (Windows, 2016)
50		Endless Fables 3: Dark Moor (Windows, 2018)
50		Queen's Quest 3: The End of Dawn (Windows, 2017)
44		Hidden Mysteries: Notre Dame - Secrets of Paris (Windows, 2011)

Notes: Games similar to Castle, Games like Castle, GameMill Entertainment LLC, Gunnar Games, Inc., GSP Software, Windows, Adventure, Puzzle, Hidden object, Crime, Detective, Mystery, 1st-person, PC, Game Similarities.