This is a version of the classic game breakout from my childhood. The goal is to not let the ball hit the bottom of the screen by bouncing it off the paddle. You want to hit all 60 blocks in order to get a perfect game.
I've made a number of different versions of breakout which use different techniques. I'll be uploading those over the coming weeks as well. This one here makes heavy use of the "clone" feature. It's not perfect, but I think it does demonstrate some of the cool things you can do with clones. I also use the "More Blocks" construct in order to make things more compact and simpler in the long run.