Use the arrow keys to move. This is based off of a game that I made that did not work. All levels are possible, even if it doesn't seem so. :) YAAAAY 20 VIEWS!!! THANKS GUYS!!! I FINISHED IT!!!! Tell me if I should make it mobile friendly!
Credit to Al Sweigart and his book, which you can read for free at inventwithscratch.com. It is very helpful! The last platformer I made was based off of Griffpatch's platformer tutorial. I copied the code exactly, and it did not work :(