Passwords:

     Play as Alien saucer - Enter R1, Square, X, Square, L2, Circle 
     Play as Goliath - Triangle, L1, R1, X, L2, L2 
     Play as Nightshade - R1, R2, L1, L1, X, Circle 
     Play as Helicopter - L1, Triangle, R2, Triangle, Triangle, R1 
     Funtopia level - X, Circle, L2, X, Square, L1 
     Gulch level - X, Square, Circle, L1, L2, Square or Square, Square, Triangle, R1, L1,
     Circle 
     Boss Battle 1: - Circle, R2, R1, Square, L1, R2 as a password. Note: Re-enter this
     password after every challenge battle. Your first opponent will be a normal, random,
     character then your opponent will transform into Goliath after the battle. 
     Boss Battle 2 - Circle, Circle, L2, L1, Triangle, Triangle 
     Boss Battle with Big Daddy - Square, Triangle, Circle, Circle, R2, R2 
     Double pick-ups - L1, L2, Circle, L1, R1, Square 
     Increased armor - R1, Triangle, R1, Triangle, L1, Square 
     Infinite turbos - Square, X, Circle, Triangle, R1, R2. Note: The special bar will still
     decrease, but turbos will still be available. 
     Infinite jump - Circle, Square, R2, X, Triangle, R2 
     View Duke Nukem: Time To Kill FMV sequence - Square, Square, Circle, Circle,
     Triangle, Triangle 


Combo moves:
While in gameplay, hold Triangle, and press one of the following combinations to do the
corresponding move:

Move - Combo

     Shield - Up, Right, Down, Left 
     Stun - Right, Left, Up 
     Cash suck - Left, Right, Up 
     Rear fire - Right, Left, Down 
     Mine - Left, Right, Down 
     Jump - L1 + R1 
     Up on 2 wheels (Left) - Up, Down, Left 
     Up on 2 wheels (Right) - Up, Down, Right 


Game Shark Codes

     Unlock Alien Saucer - 301B39AB 0001 
     Unlock Goliath - 301B39A8 0001 
     Unlock Helicopter - 301B39AC 0001 
     Unlock Nightshade - 301B39A9 0001 
     Drive Through Walls (All Players) - 8010E53A 2400 


Player 1 Codes

     Infinite Armor - 801D80B4 014A 
     Infinite Specials - 301D824F 0063 
     Infinite Stingers - 301D8250 0063 
     Infinite Blasters - 301D8251 0063 
     Infinite Stalkers - 301D8252 0063 
     Infinite Scorches - 301D8253 0063 
     Infinite Meteors - 301D8254 0063 
     Infinite Ejects - 301D8255 0063 
     Infinite RLBs - 301D8256 0063 
     Infinite Prowlers - 301D8257 0063 
     Infinite Upgraded Stingers - 301D8259 0063 
     Infinite Upgraded Blasters - 301D825A 0063 
     Infinite Upgraded Stalkers - 301D825B 0063 
     Infinite Upgraded Scorches - 301D825C 0063 
     Infinite Upgraded Meteors - 301D825D 0063 
     Infinite Upgraded Ejects - 301D825E 0063 
     Infinite Upgraded RLBs - 301D825F 0063 
     Infinite Upgraded Prowlers - 301D8260 0063 
     Infinite Cash - 801D8784 FFFF 


Player 2 Codes

     Infinite Armor - 801D896C 00B4 
     Infinite Specials - 310D8B07 0063 
     Infinite Stingers - 310D8B08 0063 
     Infinite Blasters - 310D8B09 0063 
     Infinite Stalkers - 310D8B0A 0063 
     Infinite Scorches - 310D8B0B 0063 
     Infinite Meteors - 310D8B0C 0063 
     Infinite Ejects - 310D8B0D 0063 
     Infinite RLBs - 310D8B0E 0063 
     Infinite Prowlers - 310D8B0F 0063 
     Infinite Upgraded Stingers - 310D8B11 0063 
     Infinite Upgraded Blasters - 310D8B12 0063 
     Infinite Upgraded Stalkers - 310D8B13 0063 
     Infinite Upgraded Scorches - 310D8B14 0063 
     Infinite Upgraded Meteors - 310D8B15 0063 
     Infinite Upgraded Ejects - 310D8B16 0063 
     Infinite Upgraded RLBs - 310D8B17 0063 
     Infinite Upgraded Prowlers - 310D8B18 0063 
     Infinite Cash - 801D903C FFFF