60		Naval Action (Windows, 2016)
55		Fast Attack: High Tech Submarine Warfare (DOS, 1996)
50		USS Stinger (DOS, 1989)
50		Sub Command: Akula Seawolf 688(I) (Windows, 2001)
40		GATO (DOS, 1984)
40		Das Boot: German U-Boat Simulation (DOS, 1990)

Notes: Games similar to Tom Clancy's SSN, Games like Tom Clancy's SSN, Clancy Interactive Entertainment, Virtus Corporation, Simon & Schuster Interactive, Windows, Simulation, Real-Time, 3rd-person, Other, Naval, Watercraft, Submarine, Tom Clancy, PC, Game Similarities.