Put in the code AQUA

Put in the code VACUUM
  

Enter TEAMWORK as a code.

Put in the code PHOTON
  
  
Unlock Max Zorin for Multiplayer

  

  Put in the code BLIMP
  

On any level during racing pause the game and
  HOLD L1 and press Square, Triangle, Circle, Square, Triangle, Circle

Put in the code FLAME

Enter TNT as a code.

Put in the code CIRCUS
  

Put in the code TEAMWORK
  

Put in the code ASSASSIN
  

Enter TARGET as a code.

Put in the code MELTDOWN

  

Put in the code BLASTOFF
  

Put in the code PARADISE

On the Enemies Vanquished level during racing
  pause the game and HOLD L1 and press Circle, Circle, Square, Square,
  Triangle

On any level during racing pause the game and
  HOLD L1 and press Square, Triangle, Circle, Square, Square, Square

Put in the code SLEEPY
  

Put in the code JANUS
  

Choose multi-player mode and for weapons select Phoenix weapons. You
  will start with a pistol. Find another and you can use two pistols.
  Note: You must also be a Phoenix character.

  
  
Use Shelby Cobra on the
  Vanquished Level

  
  
On the Vanquished level pause the game and HOLD
  L1 and press Right, Right, Left, left, Up

  
 

Put in the code MARTIAL