white jigsaw, jigsawx (www.flashgamebasket.com/gadget/jigsawx.h...)
jigsaw puzzles is that the finish is what you're playing for, and this is no exception. The designer has taken away the picture, but by feeding the puzzles to you in ever-increasing sizes you get drawn in little by little to his masochistic master plan. I couldn't help myself: every time I finished a level I felt flush with joy that I'd earned the right to move on to the next level, only to be crestfallen at what I'd gotten myself into.
This module can be inlined.