Cheat mode
 
 At the main menu, hold L1 and press X(5), Circle, R1, R2(2), R1.
 Then, press Start during the game and activate any option on the
 cheat menu. 
 
 Infinite lives
 
 At the main menu, press Left(3), Right, L2, L1, R2, R1. Then, press
 Start during the game and activate that option on the cheat menu.
 -From: anthony14@tinyworld.co.uk
 
 Infinite ammunition
 
 At the main menu, press Down, Right, Up, Left, L2, L1, R2, R1. Then,
 press Start during the game and activate that option on the cheat
 menu. -From: anthony14@tinyworld.co.uk
 
 All items
 
 At the main menu, press Right, Left, Up, Down, L2(2), R2(2). Then,
 press Start during the game and activate that option on the cheat
 menu. -From: z2zmarkz2z@yahoo.com
 
 Game Shark Codez:
 
 
 Infinite Health
 D00BB770 0478
 800BB770 0678
 
 Infinite Weapons
 D00BB770 0478
 800BB770 047A
 
 All Key Items
 D00BB770 0478
 800BB770 0C78
 
 Infinite Health & Weapons
 D00BB770 0478
 800BB770 067A
 
 Infinite Health & All Key Items
 D00BB770 0478
 800BB770 0E78
 
 Infinite Weapons & All Key Items
 D00BB770 0478
 800BB770 0C7A
 
 Enable Pause Cheat Menu
 800BB772 7000
 
 Enable All 
 D00BB770 0478
 800BB770 0E7A
 
 Press Select For All Glyphs
 D00DB89A FFFE
 800B7010 FFFF
 
 Press Select All Keys
 D00DB89A FFFE
 800C3908 00FF
 
 Press L1 For 99 Serum, Medi-Kits, Etc. 
 D00DB89A FBFF
 800C38F6 0063
 D00DB89A FBFF
 800C38F8 0063
 D00DB89A FBFF
 800C38FA 0063
 D00DB89A FBFF
 800C38FC 0063
 D00DB89A FBFF
 800C38FE 0063
 D00DB89A FBFF
 800C3900 0063