Cheat mode
 
 Enter Square, Triangle, Circle, X, Circle, Triangle as a password to
 enable cheat mode. Ignore the "Invalid Code" response. Then the
 following cheats may be activated:
 
 Level select
 
 Enter Circle, Circle, Triangle, X, Square, Square as a password.
 Ignore the "Invalid Code" response. Then, begin a new game and press
 Start during the game. Press Circle to select the "Resume" option.
 Any level in the game may now be accessed.
 
 Invincibility
 
 Enter Triangle, X, Triangle, Triangle, Square, Circle as a password.
 Ignore the "Invalid Code" response. Then, begin a new game. Note:
 Activating this code may disable sprite collision and the Use command.
 
 Permanent shield
 
 Enter Square, Circle, Circle, Square, Triangle, X as a password.
 Ignore the "Invalid Code" response. Then, begin a new game to have a
 shield that is always full. Note: You can still die other ways.
 
 View FMV sequences
 
 Enter Square, X, Circle, Triangle, Circle, X as a password. Then a
 FMV player will appear.
 
 Level passwords
 
 
 
  Level 
  Area                     
  Password                                 
 
 
  1     
  The Prison               
  Square, Circle, Triangle, X, Circle,     
 
                           
  Square                                   
 
 
  2     
  Morph Base               
  Triangle, Circle, X, Circle, Square, X   
 
 
  3     
  Mars Mining Facility     
  X, Circle, X, Circle, Triangle, X        
 
 
  4     
  Venus Space Station      
  X, Square, Triangle, Circle, Circle,     
 
                           
  Triangle                                 
 
 
  5     
  The Pyramid              
  Square, Square, Triangle, X, X, Triangle 
 
 
  6     
  Landing Pad              
  Triangle, X, X, X, X, Circle             
 
 
  7     
  Underground (flying)     
  Circle, Circle, Triangle, X, Triangle, X 
 
 
  8     
  Morph Mothership         
  Square, Square, X, Triangle, Square,     
 
                           
  Square                                   
 
 
  9     
  Earth Base: Command Room 
  Triangle, X, X, Triangle, Circle,        
 
                           
  Triangle                                 
 
 
  10    
  Earth Base: Dormitory    
  X, Triangle, Square, Circle, Triangle, X 
 
 
  11    
  Reactor Room             
  Circle, Square, X, X, Square, X          
 
 
  12    
  The Master Brain         
  Square, Triangle, X, Square, Circle, X   
 
 
  13    
  The Escape (flying)      
  X, X, Circle, Triangle, Circle, Triangle 
 
 Note: Level 13 only appears if Sarah is not saved.
 
  Game Shark Codez:
 
                 
  Infinite Health               
  801C0330 07D0
  801B37DC 07D0
  801B4AE4 07D0
  801B59C0 07D0
  801C7F68 07D0
  801AAD9C 07D0
  801AAD9C 07D0
  801B6BAC 07D0
  801B50BC 07D0
  801B6F64 07D0
  801B5C84 07D0
  801B0960 07D0
  801B85CC 07D0
  801B3280 07D0
                 
  Infinite Normal Bullets       
  801BE0D4 0009
                 
  Infinite Heat-Seaking Bullets 
  801BDB34 0009
                 
  Infinite Plasma Bullets       
  801C04AC 0009
  801C476C 0009
                 
  Infinite Explosion Bullets    
  801BDEF4 0008
  801BFD54 0008
  801C1218 0008
  801D6D18 0008
  801B1794 0008
                 
  Infinite Armor Bullets        
  801BFB74 0009
  801C1038 0009
  801D6B38 0009
  801B15B4 0009
  801C4B2C 0009
  801C021C 0009
                 
  Infinite Mines                
  801CEE88 0003
                 
  Infinite Time (Watch)         
  800ACACC 0000
  800AF9A4 0000
                 
 Note: Turn the Game Shark off between levels, because some codes may
 freeze the game.