What? That's not too hard to learn basic gravity. That's not about being "Griffpatcher", you just need to go to the right place. For example: Today I published on Scratch my first platformer game and, yes, it kinda sucks, but it's my first attempt, and for me it looks good (but with a poop story). And I did that with a tutorial. I can show to who created this game this tutorial. It's very easy. As I say, "you don't need to know, you just need to be in the right palce", in the case, the tutorial...