Mission -------- You are on board a submarine, and your mission is to intercept the charges launched by the destroyer above you in the sea. You have 3 submarines. Complete the interceptions at different depth levels to proceed to the bonus phase. The game consists of 10 levels, each level faster than the previous one. To advance to the next level, you must intercept 10 depth charges. Controls --------- · Start button, begins the game. · M button, moves the submarine. · F button, fires the submarine. Good luck and have fun.