Torpedorun

Your base is due to be attacked by several convoys of ships so you have been tasked to command a submarine and look for the convoys and destroy them. Starting from your base on a single screen map, you must sail around the surrounding waters looking for convoys either on the surface of the water or underneath. You are able to steer your sub as well as control the speed listening to your echo sounder. For a look at your location you can use your periscope to visually check but you can only be so deep under water before you lose the periscope if in use.