rodrigo@dev:~/games/under-the-sea/play$ cd ..# about the game
rodrigo@dev:~/games/under-the-sea/play$ ./under-the-sea
$./open --new-tab↗

// Click the game so it gets the keyboard. On a phone, turn it sideways and use the on-screen buttons. Controller: press any of its buttons with the page open so the browser detects it.