Stop it now.
Travel 300m without using any fuel during your flight.
Escape from a stall at less than 3m altitude.
Successfully escape from stalling three times in a single flight.
Clear Japan in 30 days or under.
Bounce along for another 100m after making contact with the ground.
Collect all the available types of stars in a single flight.
Fly straight downwards at terminal velocity.
Collect 30 space stars in a single flight.
Reach an altitude of 15m.
Reach a velocity of 25m/s.