"Under the waves" was the working title for Global Game Jam 2017 entry: "03 Depth Charges is all I have, so I need to relax, listen, close my eyes and kill evil Nazi U-Boats manned by waving zombie pandas in order to save NYC from Apocalyptic Terror"
A game by Edward Cortez, Jonathan Liu, Ramil Lim, and Frank Yu.
It's like battleship, but you play with your ears.