This is a Real-Time 3D Simulation Game of Submarine Battle. By utilizing your submarine, destroy enemy task force! 1. Features 1) Real-Time 3D Simulation Every elements are realized in real-time 3d simulation world. 2) Enjoyable Game in a short time Every parameter are configured for enjoyable user experiences. 3) Focused on your tactics Player’s tactics is very important to win this submarine battle. 2. How to operate your submarine Detail information is showed in the manual page. Important functions which are directly connected with your victories will be introduced below. 1) Game Screen Structure Half of the tops have the Map Screen which overlooks the battlefield from the top. Your submarine is indicated at the center of the map. It is blinking when your submarine is cruising underwater. Half of the bottoms have a submarine screen, which displays external submarine view on the sea or underwater. 2) Enemy Fleet Information; Screen top right corner The Enemy fleet constitution is stated clearly. Please confirm the number of Aircraft carrier, Battleship and Destroyer. Your main target are enemy’s Aircraft carriers and Battleships. Destroyers’s role is Fleet escort and Antisubmarine attack. 3) Watch View Control This is Dream Observation Machine of Submarine. You can widely see the state on the sea from the sky even if your submarine is diving in the deep sea. Move this stick up, you can see it. For your victory, it is important to know which direction the enemy fleet comes from. You are recommended to get used to utilize this function first. 4) Depth Control This panel controls the depth of your submarine. There are 3 depth for your battle. #1: On the Sea surface : 0m #2: Depth for Torpedo launch : 13m #3: Deep Depth for hiding : 100m This equipment is designed for your easy and smooth changing the depth. Since the quick depth change is a key for your victory, you are recommended to get used to utilize this function well. 5) Torpedo Fire Switch There are both switches of the front torpedo tube and the backward torpedo tube. For your efficient attack, you should utilize the backward torpedoes. 3. The Condition that your submarine is detected 1) When your submarine surfaces; Always detected precisely 2) When your submarine's speed is faster than 50%. 3) When your submarine is damaged; Always detected precisely 4) When there is the destroyer near your submarine and it uses a sonar equipment. Periodically detected according to the depth of your submarine; When your submarine dives under 80m, the destroyer cannot detect your submarine. 5) When your submarine launches a torpedo; At the moment, detected precisely. 6) When your torpedoes are detected, the fleet starts the torpedo avoidance navigation. 4. Tips for your tactics It becomes the necessary condition to victory to evade an enemy destroyer. The followings are tips for your tactics. In detail, please see the explanation page of this application. 1) Hide from the enemy destroyer 2) Confine the enemy destroyer 3) Sink the enemy destroyer 5. Conclusion We believe that the amazing spectacle battle of submarine is established. Please enjoy this real-time simulation of battle of submarine. Null City Realtime Simulations;