Ice Hockey

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.

Hint: Skate faster:
If you do not have the puck, repeatedly press A and you will skate faster.
Information in this section was contributed by Jason Hogan.

Hint: Start fight:
When by the other team's player, repeatedly press A to grapple him. They will eventually start a fight in which both teams beat each other up.
Information in this section was contributed by MelloProto.