Sink the CPU's fleet before it sinks yours! Click/tap a cell on the Enemy Waters grid to fire a shot — red marks a hit, gray a miss. Sink a ship by hitting every cell it occupies. The CPU fires back at your fleet (shown on the right) each turn, hunting nearby cells once it scores a hit. Fleet: Carrier (5), Battleship (4), Cruiser (3), Submarine (3), Destroyer (2). First to sink the entire enemy fleet wins!