58		Archimedean Dynasty (DOS, 1997)
50		Archimedean Dynasty (Windows, 2015)
40		Battle Stations (DOS, 1990)
40		Gunboat (DOS, 1990)
40		PHM Pegasus (DOS, 1988)

Notes: Games similar to Subhunt, Games like Subhunt, Laboratory for Recreational Computing at the University of North Texas, Spectrum Pacific Publishing, DOS, Action, Simulation, 1st-person, Naval, Watercraft, Submarine, PC, Game Similarities.