I often find myself quite high up without a space helmet, but with a surfboard. It would be cool if you could use the surfboard to go to space as silver surfer. :D
I don't like how number of shots is mixed with time to determine the score, I'd like it better with either shots or time taken, but not with both at the same time
Some useful tips: 1. Your speed is higher when the mouse is further away from the whale. 2. Save health pick-ups for later/when you need them. 3. Try to continuously smack the ship with your tail (spin around on low speed under the edge of water), jumping out of the water does less damage and is dangerous.
I think that the time limit is ok becuase otherwise it would just be a non-stop grind, but I'm not keen on items and improvements that can only be bought with tokens