For some reason, the genre of physics flash games resembling crayon sketches has exploded recently. Meaning that there are now at least two. I will keep you posted of others as I become aware of them.
This is a bit simpler than "CPD" you just stack little boxes on top of something precarious. It is also extremely difficult. I can't tell whether that means there is more strategy or less.
Poiser Hand Drawn Physics Puzzle Game