Arrow keys to move. You are a square climbing the mountain Mouna Kea. You start underwater and have a hundred seconds until you faint in the water. Be aware of the rocks on the surface! Final level. Big rocks falling onto you! Don't worry, It will only take some HP away :) And will lose some breathing. Thumbnail in game ALL POSSIBLE
Took me ages to make. :) Check this out: https://scratch.mit.edu/projects/167042686/ Some of these scripts do nothing. (6 of them)