Yeah, that sounds good, but also I'd like to point out that failing should have a permanent effect or something like that. Because, if I fail 3 times a row, the level just restarts. So practically nothing changes other than having a gameover screen in between the tries, thus making this fail system pointless. Maybe after each fail, the level gets a tiny bit harder, or you have a point system that decreases each time you fail the level. I don't really know the solution, but maybe this is something you can improve on.