62		Air Raid: This Is Not a Drill (Windows, 2003)
60		War Rock (Windows, 2007)
54		Recoil (Windows, 1999)
52		Tortuga Bay (Windows, 2003)
51		Battlestations: Pacific (Windows, 2009)
50		The Island Combat (Windows, 2018)
50		Torpedo Alley (DOS, 1985)
46		Battlefield 1942 (Windows, 2002)
43		Battlefield: Vietnam (Windows, 2004)
42		Battlefield V (Windows, 2018)
42		Call of Duty: MW3 (Windows, 2011)
40		Battlefield: Vietnam - Redux (Windows, 2005)

Notes: Games similar to Big Guns, Games like Big Guns, DOS, Action, Shooter, 1st-person, Naval, Watercraft, PC, Game Similarities.