Crayon Physics Deluxe <--- watch this first http://www.crayonphysics.com/ it on Birthday Sale til 15 Jan, you pay what you want. I paid $1 is just only £0,65pence tho. i heard some say there bought it for $0,01 it pretty cool though you donate/buy whatever amount, then you'll get an email with the direct link with a serect key
