Wayne Gretzky 3D Hockey

New Division: 
At the options menu hold the L button and push the following C buttons: Right Left Left Right Left Left Right Left Left
A bunch of numbers appear and now when you pick Play Game mode you will see another division with team 'Williams the 99er's Canada and USA.'

Invisible Players: 
Press start during the game and go into replay. Press L or R to make a player flash. Then press Z to make him disappear. Note:If you go over an invisible player he will reappear so be careful! 

Multiplayer Practice: 
To play in practice mode with more than one player, each player aside from player 1 should hold the A button at the title screen, then have Player 1 highlight "Practice" and press A. If you do this, all of the player who were holding A will get to play in practice mode together. 

To have the N64 play against itself: 
At the Team Select screen, highlight the team you would like to use and press C-Right 3 times. You will hear a click to tell you that it worked.

Trades: 
Go to Setup, then Options. Hold down L and press the following C buttons: Down, Down, Up, Up, Down, Down, Right, Right, Down. 
Now go to records and access Team Stats. Press C-Up 10 times. A special modify teams option will appear.

Non-stop fighting: 
During the game go to Option and highlight Fighting. Now hold L and press the following C buttons: Right, Left, Left, Right, Down, Up, Up, Down, Left, Right, Right, Left, Right, Left. 
You should now get into a fight every time you check. 

Debug Mode: 
At the Options screen press C-Down + C-Left + R or C-Up + R. A screen will appear where you can modify a 16-bit register. You can only alter the first 6 bits. 

To alter the bits, use these controls:
C-Down + R: alters bits 1 and 2 (10, 01, 11) 
C-Left + R: alters bits 3 and 4 (10, 01) 
C-Up + R  : alters bits 5 and 6 (10, 01)