Control
Control your vessel using either keyboard inputs or on-screen buttons. Input depth values by pressing the corresponding number keys on your keyboard or selecting them via the interactive number pad displayed on the screen. Navigate horizontally using the A and D keys or left/right arrow keys. Clear any entered depth value by pressing the X key or selecting the on-screen X button. Initiate a depth charge launch by pressing the spacebar or activating the Launch button interface.
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Destroy enemy subs before they blast you into the abyss. Crack their math problem to lock in the depth—then fire your charges. Dodge torpedoes or watch your health plummet. Survive. Dominate. Repeat.
