Subsurface Savior

Climb aboard this decrepit old machine and use a handy wireless tablet to repair the various systems across its halls. Beware, however, something lurks in the deep and has apparently noticed the submarine. You have, hmm, approximately 20 seconds before it finds you.

Controls:
Movement: WASD, or arrow keys, or if you have a controller, its primary analog stick.
(When you are in a menu, the mouse can be used for moving the on-screen cursor, but it cannot be used to navigate the world.)
Confirm/Interact: space, or the Z key, or left-click on your mouse, or the A button on your controller.
Cancel/Back: Backspace, or the X key, or right-click on your mouse, or the B button on your controller.

Unfortunately, there is no mobile control scheme support.