I hate puzzle games, but this game is getting good reviews on Flashcoders by developers & designers alike. Basically, you have to untangle nodes; each node is attached to other nodes, and you drag things around to help untangle the mess.
I got bored at level 3, but supposedly level 17 on is hard unless you have an Alienware like me; meaning, if you get a script timeout error, just click “no” and wait for the code to finish running.