Something below the Sea Hard version

A team of scientists spotted an area of the planet with an immense amount of garbage, seeing that this threatened marine life, they decided to create drones to remove this garbage, but something else is hidden...

Control your submersible using the arrow keys. Your mission is to remove all the debris from the sea bed. Examine the zone carefully, as a hidden threat may be lurking beneath. Avoid any unexpected obstacles you discover. Manage your battery and tools to finish the task. Keep watch, as the depths hold secrets.