Sunken Ships by Joe Renwick

Explore a little seaside coast of submerged ruins, sunken ships and lonely islands.
Upgrade your submarine with various turrets to fend off against the many dangerous denizens of the sea.
Search the sea for buried treasure, ancient relics and other junk. Maybe even find what it is you are looking for…
Playthrough length ~ 2 hrs
Keyboard controls: Arrow keys to move, Enter/Space bar to accept/interact, Escape/X to cancel and Escape for menu/inventory/save.
Controller controls: Joystick/Directional pad to move, A to accept, B to cancel, Y for menu/inventory/save.