NHL teams 
Enter BAILEY as a code.

All boards 
Enter POWER_SLAM as a code.

Use bonus moves in any mode 
Enter IAMWEAK as a code.

Sound test 
Enter NO_CHANCE as a code.

Longer goal celebrations 
Pause the game while in the front end of the rink and press 
Right, Right, Up, Down, Left, Square, Square, Circle.

Two player King Of The Rink mode 
At the title screen, press 
Select, Triangle, R2, L1, Right, Left, Down, X.