Credit to MrMonopoly ( http://scratch.mit.edu/forums/viewtopic.php?id=51818 ) for the method. He found that out, not me. By the way, you can open this project in the experimental viewer to find the hidden script in the hidden sprite! ;) Update: BigDolphin has found a better method! Check it out: http://scratch.mit.edu/projects/BigDolphin/1472726