Cheats
On the title screen, enter (D-PAD): 1-hit death: RIGHT, UP, LEFT, DOWN, A, L+R TRIGGERS.
Full evolve meter: BLUE, RIGHT, GREEN, YELLOW, LEFT, RED, L+R TRIGGERS

Unlockable: Mini Game
Balloon Popping Mini Game: If you get the top high score in each single player mode, you can click on the small balloons behind the main menu options.

Unlockable: Challenge Mode
Survive longer than 3000 meters in Endless mode.

Unlockable: Time Attack Mode
Score 300 or more in the Score Attack mode.

Black Yoshi
Get 160 Points in flying level. 50 Eggs +1 For Each Point Over 160.