Complete the first 60 levels of Mario's Main Event.
Perfect Solutions
Every "Perfect" solution in the game finds your Mini Toy gathering the coins in the following order: blue, then green, then red. If you're having trouble finding the solution, remember to work your way to the coins in that order.
Puzzle Palace
Once you clear Mario's Main Event 1-10, you'll unlock Puzzle Palace.
The Five Minis
You can choose from up to five different minis throughout the course of the game.