Press the in-game buttons to move the submarine. Turn with A or D. Press M to use your map and to check the coordinates. If you are near one of the ten locations, press the long button; if you succeed, it will be shown on the map. Photograph all 10 locations to win.
Iron lung: You are sent down an ocean made of blood in a makeshift submarine and the only way to gain your freedom is to document reported abnormalities. Original game by David Szymanski on steam.