If this feature is enabled, a shot directly next to a target ship will display a larger splash and play a beeping noise.

A White Lucky Shot launches a salvo of either five or nine missiles depending on the original grid size.

Lastly, there is also an option which allows non-sunk aircraft carriers to launch an airplane mid-game.

This mode allows the player to set up his submarine with extra Prop Speed, shoot Twin Shots, and/or equip a Power Sonar, before battling against other ships.

They can use the B-button to attack the enemy's submarine with a machine gun, while the player uses the A-button to send out torpedoes at all ships.