Infinite Spin
First, go to the title screen. Then press Left, Up, L, R. Then when you battle, you should never stop spinning.

Super Speed
To unlock super speed,enter the following combo on the start screen: L button, Left, R button, Right.

All Collectibles
To get all collectibles, enter the following combo on the start screen: L button, R button, R button, L button, B button.

All Levels
To open all levels,enter the following combo on the start screen: Right, Down, R button, L button.

Next Level
While playing, pause then press Right, Left, Left, Up, A.

Destroys all enemies
While playing, pause then press Up, Up, Right, Left, L.

Full Attack Meter
While playing, pause then press Right, Left, Right, Left.

Complete Current Round
Press start and enter this code at the pause screen: press LEFT, UP, L, L.

All Beyblades
Enter B, L, R, DOWN at the Start screen.