Big head mode
 
 Pause the game and press C-Left, C-Right, C-Left(2), C-Right. If you
 entered the code correctly, you will hear the bell ring five times.
 Repeat the code to disable. -From: drm6181@earthlink.net
 
 Big gloves mode
 
 Pause the game and press C-Up, C-Down, C-Up(2), C-Down. If you
 entered the code correctly, you will hear the bell ring five times.
 Repeat the code to disable. -From: krugdogusa@hotmail.com
 
 Hints
 
 Super punch
 
 Press A + B + R and the direction to punch while the glove in the
 upper corner is flashing.
 
 Restore energy
 
 Move away from your opponent, hold Z and sweep the Analog-stick in
 circles. Alternatively, tap Z repeatedly without moving the
 Analog-stick. 
 
 Easy knockdown
 
 Fill your meter, then press R + L + A or B to knockdown your opponent
 regardless of whether he is blocking.
 
 Easy training
 
 Select "Offense" in training mode. Then, use the following moves to
 hit the blue opponent: Down + A, Down + A, Down + B, Down + B. Repeat
 until he has been hit thirty times.
 
  Game Shark Codez:
 
                   
  Infinite Health P1       
  8106B974 42C8
  8106B976 0000
                   
  No Health P1             
  8106B974 0000
  8106B976 0000
                   
  Max Power P1             
  8106B980 0000
  8106B982 0BB2
                   
  No Power P1              
  8106B980 0000
  8106B982 0000
                   
  Infinite Health P2       
  8106BA7C 42C8
  8106BA7E 0000
                   
  No Health P2             
  8106BA7C 0000
  8106BA7E 0000
                   
  Max Power P2             
  8106BA88 0000
  8106BA8A 0BB2
                   
  No Power P2              
  8106BA88 0000
  8106BA8A 0000
                   
  Boxer Creation Codes     
                   
  Infinite Creation Points 
  81063742 0064
                   
  Max Power                
  81063746 0064
                   
  Max Speed                
  8106374A 0064
                   
  Max Stamina              
  8106374E 0064