Akuji The Heartless

Debug mode:
Pause game play, then hold L2 or R2 and press Left, Up(2), Triangle, Right, Square, Left, Triangle, Up, Down, Right(2).

Invincibility:
Pause game play, then hold L2 or R2 and press Right(2), Left, Triangle, X, Up, Circle, Left.

Unlimited Spirit Spells when acquired:
Pause the game, then hold L2 or R2 and press Left, Triangle, Left(2), Circle, Left, Triangle, Right, Circle, Up(2), Down.

Akuji-The Heartless

(Game Shark)
Codes Made & Tested on 2.3 Version Game Shark

1 FAKE Invincible 800BA746 06CA
2 Infinite Spells On Pick-Up 800BA744 0010
3 Infinite Health D006981E A4C2
8006981E 2400
4 Extra Spell Ammo 80091C24 0001
5 Enable All Levels 800C4704 000F
6 Walk Thru Walls [Note 1] D00CA37E F5FE
8007425E A482
D00CA37E F5FE
8007424A A482
D00CA37E FAFE
8007425E 2400
D00CA37E FAFE
8007424A 2400
7 Infinite Lives 80080346 2400
Note 1: With this code, you have to turn it off to goto the next section of the level. Hold L1 & L2 and press Select to activate this code so you can walk thru walls, then to de-activate it Hold R1 & R2 and press Select to de-activate it. And when inside walls Hold R2 to goto sniper mode so you can see while inside the wall.