I can only get two rainbow coins so far, Try again later. Very complex design.
Hmm, didn't I see someone remark on this before? That it's actually quite hard to determine yourself just how difficult the puzzle is? Before you post it, of course, you've seen every nook and cranny of the design.
One solution might be to give yourself a blow on the head after finishing the puzzle and then try to play it. But especially for veteran designers that's a very bad idea.
Or: maybe the Editor could have some form of complex-o-meter built in?
You click the Complex-o-button and after 2 seconds it says: "That was a breeze.." or "Phew, took me a moment."
If it's still crunching away after 12 minutes and there's dark smoke coming out the back of the PC, well.... I'd say that's a sign for improvement.
