Omake mode
 
 Successfully complete all 100 levels. Then before the ending credits
 appear, hold L1 + L2 + R1 + R2. Now an option for Omake mode will be
 displayed. 
 
 View solution
 
 While playing a game, on controller two, press Circle. Then, a finger
 icon will appear and indicate the order in which the boxes should be
 pushed.