Use the up key to go up (obviously) and the bat will drop down by itself due to gravity, ( and because he is not a good flyer ). You have to fly between the pipes and if you hit the pipes it is game over. CrystalSmash
I give some credit to "learn learn scratch tutorials"(a YouTuber) as it is his idea and i followed his tutorial but added some changes. I also thank my mum for giving me an account and this is my first shared game.
