Finally a platformer. You have 3 lives. The yellow circles, you have to jump on to not fall. Get to the Right side, do not touch red. Use arrow keys to move. If you press the down arrow, you turn flat, unless you are moving and in the air, then you get a small boost.
Thanks to: @griffpatch for his great tutorial @KrazyDuck248 for some code @DragonWizard59 for some code and help @JOJUICE for the idea of the yellow circles