Bonus Pushmo puzzles
Complete all the puzzles in Pushmo Park. The "Bonus Pushmo" option will now be available at the main menu.
Complete all eighteen Basic Lessons.
32 by 32 grid in Studio
Complete the first level of Murals 2.
Gadgets in Studio
Complete Advanced Lesson 1.
Complete Pushmo Park to play a mini-game where you collect stars during the credits. When done you can replay the mini-game any time at the "Options" menu.
Strategy guides from GameFAQs