IN DRAW MODE press F key to add object press G key to add stationary object click on two objects to create springs press T to exit draw MODE IN PLAY MODE press SPACE to add object click on things to move them around press P to spawn slime (CAN CAUSE SUPER LAG!)
all credit to http://scratch.mit.edu/users/tylerbata/ orginal project: http://scratch.mit.edu/projects/41671100/ +added mode indicator