Invincibility
 
 Enter Circle, Circle, Triangle, Triangle, Circle, X, Square, X as a
 password. 
 
 All weapons
 
 Enter Triangle, Triangle, Circle, Circle, Circle, X, Square, X as a
 password. 
 
 Infinite ammunition
 
 Enter Triangle, Circle, Circle, Circle, Square, X, Triangle, Square
 as a password.
 
 Level passwords
 
 Click here for a picture. -From: julian@newsguy.com
 
 
 
  Level                     
  Password                                        
 
 
  Gorgon                    
  X, X, Triangle, Square, Square, X, Circle, X    
 
 
  Dimensional Temple        
  Square, X, Triangle, Square, Square, Square,    
 
  Circle, X                                       
 
 
  Floating Fortress         
  Circle, X, Triangle, Square, Square, Circle,    
 
  Circle, X                                       
 
 
  Spirit Bog                
  Triangle, X, Triangle, Square, Square,          
 
  Triangle, Circle, X                             
 
 
  Canyon Village            
  X, Square, Triangle, Square, Square, X,         
 
  Triangle, X                                     
 
 
  Creepy Caverns            
  Square, Square, Triangle, Square, Square,       
 
  Square, Triangle, X                             
 
 
  Space Ship                
  Circle, Square, Triangle, Square, Square,       
 
  Circle, Triangle, X                             
 
 
  Hall Of Patriots          
  Triangle, Square, Triangle, Square, Square,     
 
  Triangle, Triangle, X                           
 
 
  Graveyard Of War Machines 
  X, Circle, Triangle, Square, Square, X, X,      
 
  Square                                          
 
 
  Nuclear Mine              
  Square, Circle, Triangle, Square, Square,       
 
  Square, X, Square                               
 
 
  Launch Center             
  Circle, Circle, Triangle, Square, Square,       
 
  Circle, X, Square                               
 
 
  Ulhaden Fier              
  Triangle, Circle, Triangle, Square, Square,     
 
  Triangle, X, Square                             
 
 
  Garrison                  
  X, Triangle, Triangle, Square, Square, X,       
 
  Square, Square                                  
 
 
  Inner Sanctum             
  Square, Triangle, Triangle, Square, Square,     
 
  Square, Square, Square                          
 
  Game Shark Codez:
 
         
  Infinite Ammo (All Levels)                    
  D007BC46 A462
  8007BC46 2400
         
  Infinite Health (Level 1)                     
  800E11B2 0032
         
  Infinite Lives (Level 1)                      
  800E13F4 0007
         
  Have All & Infinite Special Weapons (Level 1) 
  800E14BC 0064
  800E14BE 0064
  800E14C0 0019