There are also underwater portions of tracks where players utilize a propeller to steer and get ahead. (lifewire.com)
Sure, you'll find yourself navigating through underwater portions that reverse the gravity mechanic, attacking space ships, and dealing with rotating spike columns; but the core gameplay remains unchanged. (videochums.com)
Even when made to recognize the 90 % of iceberg connecting us, atheists and theists can't seem to agree on what the nature of that underwater portion of the iceberg is (nakedpastor.com)