Torpedo-Boot
LShift/LControl: Fill/Empty the air tank;
1+2+3: Engines;
9: Reverse (Only "1" Engines);
WASD: Down/Left/Up/Right;
K: Perisope Camera;
Arrows: Periscope Up/Down/Left/Right;
Q/E are still experiments for Up/Down;
Space: Preparing the Torpedos;
5/6: Firing left/right torpedos