Decisive Battle of the Combined Fleet is a tactical level surface naval battle wargame in WW2 Pacific theater. Players control either the fleet of Imperial Japanese Navy or United States Navy, and fight each other. Players manage ships' movement, gun and torpedo attack. The game includes three historical scenarios and one campaign scenario. All scenarios represent situation of autumn 1942 at Solomon sea.　Campaign scenario repeats four fictional battles in limited force. Winner determined by victory point based on damage given to opponent's ships. This game was designed for wargame beginners. Game scale: 0.5 Nautical miles per hex, 5 minutes　per turn, 1 ship per unit