Invincibility
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Right and press Circle, Square, Triangle. Hold Left and press Circle,
 Square, and X. If you entered the code correctly, the word "Cheater"
 will appear at the top of the screen.
 
 Refill health
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Square and press Circle, X, Triangle. Release Square, hold Circle,
 and press Square, X, Triangle. Release Circle. If you entered the
 code correctly, the word "Cheater" will appear at the top of the
 screen. 
 
 Refill ammunition
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Circle and press Square. Release Circle, hold Triangle, and press X.
 Release Triangle, hold Circle, and press X. Release Circle, hold X,
 press Square. Release X. If you entered the code correctly, the word
 "Cheater" will appear at the top of the screen.
 
 Shield
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Right, and press Circle, Square, Triangle. Release Right, hold Left,
 and press Square, Circle, X. Now release Left and resume the game to
 have a shield. If you entered the code correctly, the word "Cheater"
 will appear at the top of the screen.
 
 Turbo
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Up and press Triangle(3). Release Up, hold Down and press X, Square,
 Circle. Release Down. If you entered the code correctly, the word
 "Cheater" will appear at the top of the screen.
 
 Predator
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Triangle and press Square, X(2) Square. Release Triangle, hold X, and
 press Triangle(2). If you entered the code correctly, the word
 "Cheater" will appear at the top of the screen.
 
 Cloaking device
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 Triangle and press Square, Circle(2), Square. Release Triangle, hold
 X and press Triangle(2). Release X. If you entered the code
 correctly, the word "Cheater" will appear at the top of the screen.
 
 End current level
 
 Pause the game and highlight the "Sound Volume" selection. Then, hold
 X, Up, Down, Up. Hold Square and press Circle. Release Square, hold
 X, and press Triangle. Release X. If you entered the code correctly,
 the word "Cheater" will appear at the top of the screen.
 
 Body slide
 
 Pause the game and highlight the "Sound Volume" selection. Then,
 press Up, Down(2), Up. Hold Square and press Circle. Press Triangle,
 X (or X, Triangle). If you entered the code correctly, the word
 "Cheater" will appear at the top of the screen.
 
 Test mode
 
 Pause the game and highlight the "Sound Volume" selection. Then,
 press Left, Right(2), Left. Hold X and press Triangle. Hold Triangle
 and press X. If you entered the code correctly, the word "Cheater"
 will appear at the top of the screen.
 
 Secret level
 
 In the Throg Breeding Facility, there is a secret entrance to the
 Lost city. It is located in the lower right corner of the map. Break
 through three or four secret doors to find the exit. The Lost City is
 full of insect-monster larvae and the Throg-Viscerian genetic brain
 mutations. 
 
  Game Shark Codez:
 
                 
  Joker Command                
  D007E030 ????
                 
  Infinite 9MM Shells          
  800997DA 0063
                 
  Infinite Health              
  800997B6 0164
                 
  Infinite Ion Pulse & Autogun 
  800997DC 6363
                 
  Infinite MRM's               
  800997DE 0063
                 
  Have Digi Print Hand         
  3005BDA4 0001
                 
  Have Scanner Eye             
  8005BD9C 0101
                 
  Have Yellow card             
  3005BDA0 0001
                 
  Have Blue Card               
  3005BDA1 0001
                 
  Have Orange Card             
  3005BDA2 0001
                 
  Have Data Chip               
  3005BDA3 0001
                 
  Have Red Card                
  3005BD9F 0001
                 
  Have Green Card              
  3005BD9E 0001
                 
  Have Hermetic Container      
  3005BDA8 0001
                 
  "???" Item                   
  3005BDA9 0001