At the title screen press up, right, down, then left on the d-pad to pull up a keyboard. Use it to enter the rest of these cheats.

Password	What it does
Blox Time	Enable Slo-Mo in Single Player.
Critter Litter	Unlocks All Characters In Create Mode.
Flower Power	Converts all Explosion Effects to Flower Explosions.
Maestro	Converts Base Blocks to Jingle Blocks.
My Team	Convert all Cheerleaders to Profile Character.
Nonstop Props	Unlocks All Props In Create Mode.
Pandoras Blox	Unlocks All Levels.
Tool Pool	Unlocks all Toys in Create Mode.