Press the green flag and complete my platformer but its not the best because its my second platformer. MOVEMENT:Arrow keys/ASWD to move. JUMP: Space bar/W/Up Arrow. It messes up when you complete it and press flag again all the stuff disappears if this happens just press flag again.
I got a bit of help from a video on YouTube it was just platformer physics and the rest is all me. Link to Ninja Platformer 1: https://scratch.mit.edu/projects/353606881/