All ships powered-up
 
 At the main menu, press Right, L1, Up(2), Down, Right, R2, L2, R2,
 Down, Up, Down. If you entered the code correctly, you will hear the
 sound of an explosion. Select any ship, begin the game, then quit.
 Now all four ships will be powered-up and Sector 5 will be available
 for game play. 
 
 Wraith ship
 
 Enable the "All ships powered-up" code. Then at the main menu, press
 Left, Right, L1, Left, Right, L1, R2, R2, L2, Left, Right, Up. If you
 entered the code correctly, you will hear the sound of an explosion.
 Select any ship, begin the game, then quit. Now the Wraith ship and
 Sector 8 will be available for game play.
 
 Alternate planets
 
 At the main menu, press Down, Up, L1, Right, L1, Up, Right, Select,
 Right, R2, L1, L2. If you entered the code correctly, you will hear
 the sound of an explosion. Now faces of the development team will
 appear in the place of the planets in the first four levels. The next
 four levels will have other objects replacing the planets. Note: This
 code may not be enabled with the "All ships powered-up" or "Wraith
 ship" code. 
 
 Bonus levels
 
 At the main menu, press L1, Left, L2, Down, Select, Left, Down,
 R2(3), Select, Up. If you entered the code correctly, you will hear
 the sound of an explosion. Now four bonus missions that feature World
 War II aircraft and other hidden targets will be accessible. Note:
 This code may not be enabled with the "All ships powered-up" or
 "Wraith ship" code. 
 
  Game Shark Codez:
 
                             North American Version
 
                
  Enable Code (Must Be On)       
  D0024DA0 01CD
  80024DA2 2400
  D0024DC0 01CD
  80024DC2 2400
                
  Infinite Energy                
  800EF16A 0060
                
  Infinite Secondary Weapon Ammo 
  800EF172 03E8
                
  Infinite Fuel                  
  800EDA7E 0064
                
  Infinite Shields               
  800EF168 00C8
                
  Max Credits                    
  800AB724 967F
  800AB726 0098
                
                      European and Australian (PAL) Version
 
              
  Disable Xplorer Check (Must Be On) 
  7658A37A 65A9
  5658A37C 5956
  D684000C 0000
              
  Infinite Energy                    
  36644136 5998
              
  Infinite Ammo                      
  3664413E 59BB
              
  Infinite Fuel                      
  36642A4A 599A
              
  Infinite Shield                    
  36644138 599C
              
  No Overheating                     
  8660010A 595A
              
  100000 Credits                     
  86642AF8 D7FA
  86642AF6 5959