64		The Tudors (Windows, 2009)
62		Covert Front: Episode Two - Station on the Horizon (Windows, 2007)
62		Covert Front: Episode One - All Quiet on Covert Front (Windows, 2007)
61		Jazzpunk (Windows, 2014)
61		Spycraft: The Great Game (DOS, 1996)
60		Spycraft: The Great Game (Windows, 1996)
60		Top Secret (DOS, 1987)
60		Super Spy (Windows, 1996)
60		The Dame Was Loaded (Windows, 2018)
60		The Dame Was Loaded (DOS, 1996)
53		Outcry (Windows, 2008)
51		Cracking the Conspiracy (Windows, 1999)
50		Titanic: Adventure Out of Time (Windows, 1999)
50		KGB (DOS, 1992)

Notes: Games similar to 1953: KGB Unleashed, Games like 1953: KGB Unleashed, Phantomery Interactive, CP Digital, ND GAMES, Windows, Adventure, Puzzle elements, Spy, Espionage, 1st-person, PC, Game Similarities.