Reach the end of each level alive in search of the treasure.
Avoid dangerous animals and objects and be sure not to plummet into the depth.
Use the arrow keys to move left and right.
When you're at speed you can press space or up to initiate a jump. Adjust the direction by pressing up or space again.
Collect electricity icons to gain the power that is needed to use the propeller. Press up to use the propeller.
Make sure you do not run out of oxygen as it will cause carbon dioxide intoxication which kills you after a while.
Go on an epic treasure hunt deep below the surface of the ocean.