Debug mode
 
 Enter "HEYBUDDY" as a password. Then options to select a stage,
 section, invincibility, all weapons, and removing the pause text will
 appear. 
 
 Level select
 
 Enter "HEVYFEET" as a password.
 
 All weapons
 
 Enter "MAXPOWER" as a password.
 
 Full pause screen
 
 Enter "THEPRESS" as a password. The text normally displayed when the
 game is paused will be disabled.
 
 Level passwords
 
                               
  Level 
  Password
                               
  2     
  DIYGIXRA
                               
  3     
  KCSVJTJB
                               
  4     
  RWLKLPBC
                               
  5     
  YQFZMLTC
                               
  6     
  FLZNOHLD
                               
  Game Shark Codez:
 
                     
  Infinite Ammo         
  8010AC3C FFFF
  8010B6D8 FFFF
                     
  Infinite Lives        
  8010BA8C 0005
                     
  Infinite Rage Meter   
  8010B690 00C0
                     
  Mid Air Jumps         
  8010B6C0 0002
                     
  Have Missile Launcher 
  8010B6D4 0001
                     
  Have Homing Missiles  
  8010B6D4 0002
                     
  Have Flame Thrower    
  8010B6D4 0003
                     
  Have Pulse Laser      
  8010B6D4 0004
                     
  Have Grenade Launcher 
  8010B6D4 0005
                     
  Weapon Select [Note]  
  D010B85C 0401
  8010B6D4 0001
  D010B85C 0404
  8010B6D4 0002
  D010B85C 0408
  8010B6D4 0003
  D010B85C 0402
  8010B6D4 0004
  D010B85C 0500
  8010B6D4 0005
                     
 Note: Press Select + Up for the missile launcher. Press Select + Left
 for the homing missile. Press Select + Right for the flame thrower.
 Press Select + Down for the pulse laser. Press Select + L1 for the
 grenade launcher.