I FINALLY SUCCEEDED! WASD to move, because WASD is better than <^> You can stick to the bottom of the walls. Go to the right to complete level
credit to @griffpatch for platformer script. But I reversed the script on the stage, so it is not thoroughly griffpatch's ---LOG 12/8/2020 Made! 22/5/2022 Added levels! 25/5/2022 Added boost and jumpad!