No goalies:
Hold A + B on both controllers, then press Start on controller one at the at the title screen. Note: This code may only be enabled in single player mode.

Super puck:
Hold A + B on both controllers, then press Start on controller one at the at the player selection screen. Hit the puck and hold B button. The puck will keep moving as long as B is held.

Fast puck:
Select the teams but do not press Start. Hold A + B on controllers one and two and press Start on controller two.