Let’s destroy the enemy’s battleship!
See how long you can keep your ship’s health above zero. Dodge enemy torpedoes while launching depth charges to destroy enemy subs. Set the depth charge depth to the product of the multiplication problem on a sub and let the charge fly.
Keyboard/Mouse: Click number keys or numbers on the keyboard to enter depth. AD keys or arrow keys to move. Click the X button or hit the X key on the keyboard to clear depth. Hit the spacebar to launch depth charge or click the Launch button.
Touch: use the on-screen buttons to enter depth, launch depth charge, and clear depth. Use arrow buttons to move. Click the video button on the main menu to see how to play.