Level Cheat
Enter this code at the main options screen while having the word 
options highlighted. Hold R1 and press Down, Right, Left, Right, 
Square, Circle, Square, Triangle, Circle, Square, Right, Left. 

Movie Cheat
Enter this code at the main options. Hold R1 and press Up, Left, 
Right, Square, Circle, Triangle, Square, Right, Left, Up, Right.

                                        Game Shark Codes

     All 300 Modokons Saved - 8007E43A 012C 
     Instant Possession - D007E4B0 0005 or 8007E3F8 FFFF