Extra Characters (Japanese version only)- At the Character Select Screen press R1, L1, L2, Right, Left, R1, Select. You should now have 10 more characters available.
Restore Health- After pressing Start to pause game play, press Left (2), Down (2), Square (2), Triangle, Square OR for the Japanesse version press Up (2), Down (2), Left, Right, Left, Right, Square, Triangle. For the European/Australian PAL version press Start to pause game play, then press Square (2), Triangle (2), Right (2), Up, Left.
All Weapons- At the item select screen hold L1+R1 and press X, Triangle, Square, Triangle, Square, Circle. Now release L1 and press L1 again.
Cheat Codes- Try these codes at the Item Select Screen:
Hidden Items - Hold R1 and press Left, Left, Down, Down, Square, Square, Triangle, Circle.
99 Items Capacity - Hold L1 and press Left, Left, Down, Down, Square, Square, Triangle, Square. For the Japanese version, hold L1 and press Up (2), Down (2), Left, Right, Left, Right, Square, Triangle at the item selection screen. For the European/Australian PAL version, hold R2 and press Square (2), Triangle (2), Right (2), Up, Down at the item selection screen.
Increase Items - Hold L2 and press Left, Left, Down, Down, Square, Square, Triangle, X. For the Japanese version, hold L2 and press Up (2), Down (2), Left, Right, Left, Right, Square, Triangle at the item selection screen. For the European/Australian PAL version, hold L2 and press Square (2), Triangle (2), Right (2), Up, Right at the item selection screen.
All Missions - Hold R2 and press Left, Left, Down, Down, Square, Square, Triangle, Square. For the Japanese version, select a character, then hold R2, and press Up (2), Down (2), Left, Right, Left, Right, Square, Triangle at that screen. For the European/Australian PAL version, hold R1 and Square (2), Triangle (2), Right (2), Up, Right at that screen.
NOTE: The Ninja will say "HUH" when these are entered correctly.
Select Layout- Pick a character , then hold R1 and press Left, Left, Down, Down, Square, Square, Triangle, X.
Japanese Voices- Select a character, then hold L1 and press Left, Left, Down, Down, Square, Square, Triangle, Circle at the next screen (mission select). The sound of a shout will confirm correct code entry. For European/PAl systems hold L1 and press Square, Square, Triangle, Triangle, Right, Right, Up, Down.
Different Ayame Costume- At the item select screen press Left (2), Down (2), Square (2), Triangle, Circle. Then, the armor icon will automatically be selected. Now begin game and play as Ayame and select her third costume. For European/PAl systems press Square, Square, Triangle, Triangle, Right, Right, Up, Right.
Level Select American Version- Select a character, then hold R2 and press Left, Left, Down, Down, Square, Square, Triangle, Square at the next screen.
Level Select Japanese Version- On the stage select screen (levels appears when you've beet them) hold R2 and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle.
Debug Menu- Start a game then hit start then press and hold L1 and R2 while holding these press Up, Triangle, Down, X, Left, Square, Right, and Circle. Then release L1 and R2 then hit L1 then R1 then L2 then R2 that should glitch the game a little, then press Start, that should get you going again. Now to access the debug menu just hit L2 R2 together at any time to bring it up it lets you get all the items plus the lightning bolt that the end boss uses arrows a gun and a neat teleport skill, you can also make an enemy that can be controlled buy a friend or yourself, have fun.
While in the debug menu when you slect an item it asks : 10 100 full, instead of picking one of those press the Triangle button and you will get the icon with no limit
When you use the Debug Menu and go to "Charge Item" these are the following weapons:
SHURIKEN (Stars) - a deadly throwing weapon.
SMOKE (Smoke Bombs) - generates smoke to observe and confuse. MAKIBISI (Caltrops) - scatter to injure pursuers. FIRE (Grenade) - explodes on impact. JIRAI (Mine) - explodes when stepped on. KUSURI (Healing Potion) - restores health. KAGINAWA (Grappling hook) - hooks on area and pulls you. GUN (Pistol) - shoots bullets. YUMI (Arrows) - shoots arrows. KAEN - sets you and enemy on fire. DOKUDANGO (Poison Rice) - causes temporary paralysis when eaten. RIKIMARUKOCHAN (Shadow Decoy) - creates an attention-getting decoy. GOSIKIMAI (Colored Rice) - use as a trial marker. HAPPOU (Super-shuriken) - fires 8 shurikens simultaneously. NINKEN (Dog Bone) - summons an attack dog. NEMURIGUSURI (Sleeping Gas) - induces sleep. KAENGEKI (Fire-eater Scroll) - use to breath fire. KAWORIMI (Resurrection Leaf) - automatically restores health upon death. GOSHINFUDA (Protection Amulet) - temporarily boosts offense and defense. MANEBUE (Decoy Whistle) - mimics an animal call to foot enemies. HENSIN (Chameleon Spell) - temporarily disguises you as an enemy. SHINSOKU (Light-foot Scroll) - use to instantly move long distances. LIGHTING BOLT (Lighting) - shoots lighting streaks at enemy. THE WORLD (Teleport) - used to teleport to specific area.