High Definition Mode
     This   code  is  entered  any  time  before  the  "Sony  Computer
Entertainment  Presents"  screen. The letters on that screen will turn
purple if done correctly.

Cheat code:                                      Result:
L1, L2, L3, Circle and Square simultaneously 	 High Definition Mode


Unlockable Costumes
     Must  complete  the  game  on  certain difficulty levels, Collect
certain Items and receive certain ranks.

Unlockable              How to Unlock
Athena                  Complete the game on Titan mode.
General Kratos          Collect 20 Cyclops eyes. Must kill them 
                        with a context-sensitive move. 
                        Meaning the O button.
Dark Odyssey            Complete the game on God mode.
Hercules                Complete the game on Titan mode.
Hydra Armor             Complete the game on any difficulty level.
Cod of War costume      Complete the game on any difficulty level.
God Armor (The best costume, Doubles all stats) 
                        Receive God ranking in Challenge mode.