潜艇大战游戏，启动后可以按左右方向键来移动潜艇的水平位置，按拨电话键可以放炸弹，按关电话键可以退出游戏。-World War II submarine game starts you can press the arrow keys to move around the submarine horizontal position, press dial key to plant bombs, according to Guan phone key to exit the game.