Submarine War Html5 Home Submarine War Html5 0.0 / 5 ( 0 votes ) Your Rating? Discover Submarine War Html5 – Play Free Now on GameHard! Submarine war is a game where you have to control a ship and shoot bombs and grenades at it from submarines that are in the water under the ship, and shoot at you with rockets and torpedoes. You need to avoid the torpedoes and destroy as many enemy submarines as you can. Categories in which Submarine War Html5 is included: Multiplayer Running 1 Player