Hidden teams
 
 At the options screen, hold L and press C-Right, C-Left(2), C-Right,
 C-Left(2), C-Right, C-Left(2). If you entered the code correctly, the
 tenth digit of the "Specials" option will change to the number "1".
 Now the Williams Entertainment, Canada, USA, and 99er teams will be
 available for selection. 
 
 Player trades
 
 At the options screen, hold L and press C-Down(2), C-Up(2), C-Down(2),
 C-Right(2), C-Down. If you entered the code correctly, the eight
 digit of the "Specials" option will change to the number "1". Then,
 return to the main menu, select the records option and enter the team
 stats screen. Now press C-Up(10). A modify teams menu will appear.
 Highlight a team and press A, highlight a second team and press A
 again. The first team's roster will appear on the left side of the
 screen. Press B to change the team on the right side of the screen.
 Press Up or Down to highlight the player to be replaced; press Left
 or Right to highlight the replacement player. Press A to make the
 trade. Press Start to advance to the next team to modify. Note: Only
 two custom teams can exist at once. 
 
 Constant fights
 
 At the options screen, hold L and press C-Right, C-Left(2), C-Right,
 C-Down, C-Up(2), C-Down, C-Left, C-Right(2), C-Left, C-Right, C-Left.
 Now fights will break out constantly.
 
 Invisible players
 
 Pause the game during the opening face off and select the replay
 option. Then, press L or R to cause a player to flash. Now while the
 player is flashing, press Z to make him invisible. The entire team
 can be modified in this manner. 
 
 Two-player practice mode
 
 On the main menu, highlight practice mode and press A on controllers
 one and two simultaneously.
 
 View developers
 
 At the title screen, press A(20).
 
 View company sponsors
 
 In the options, setup, or audio menus, press Z. Now an advertisement
 will scroll across the lower part of the screen. A different ad
 appears each time Z is pressed.
 
 View credits
 
 Turn on the game and tap A or B before pressing Start, until the
 credits appear. 
 
 Guaranteed goal
 
 Place the player with the puck between the face-off circles and press
 A + C-Down.
 
 Lose game
 
 Pause the game and enter the options menu. Then, hold L and press
 C-Left(9). If you entered the code correctly, the seventh digit of
 the "Specials" option will change to the number "1". Resume the game.
 Now the score will change to "Them 1 - You 0" and the game clock will
 be set to "0:00". To activate this code without ending the game, use
 it immediately after a goal or at a face-off before the puck is
 dropped. 
 
 Opponent choice
 
 Go to the team select screen. Then, choose an opposing team and press
 the C-Right(3). Now select your team, and start the game.
 
 Quick game
 
 Go to the main menu and highlight the play game option. Then, hold
 any C button and press Start. Now a game featuring Wayne Gretzky and
 the New York Rangers will begin.
 
 Control screen position
 
 To re-center any screen, hold L + R. Then, release both buttons to
 keep the screen in its new position. Hold L + R again to return to
 normal. 
 
 Change player appearance
 
 At the options screen, press C-Down + R, C-Left + R, or C-Up + R.
 Then, modify the first six bits of a 16-bit register to change the
 game by pressing: 
 
 C-Down + R (head size, alters bits 1 and 2)
 
 C-Left + R (body size, alters bits 3 and 4)
 
 C-Up + R (height, alters bits 5 and 6)
 
          
  Register 
  What It Does                                   
          
  100000   
  Stocky Players                                 
          
  010000   
  Stocky Players, Big Heads                      
          
  110000   
  Stocky Players, Small Heads                    
          
  001000   
  Small Players, Small Announcer                 
          
  000100   
  Large Players, Large Announcer                 
          
  000010   
  Crunched Players, Small Announcer              
          
  000001   
  Elongated Players, Large Announcer             
          
  110110   
  Large Players, Small Heads, Large Announcer    
          
  010010   
  Crunched Players, Large Heads, Small Announcer 
          
  010101   
  Large Players, Large Heads, Large Announcer    
          
  010001   
  Elongated Players, Large Heads, Large Announcer
          
  Game Shark Codez:
 
             
  Home Team Score Modifier            
  8011C061 00??
             
  Away Team Score Modifier            
  8011F571 00??
             
  Press GS Button to Stop Clock       
  880D8821 0000
             
  Press GS Button For Clock Countdown 
  880D8821 0001