All ninja items:
At the item select screen hold down right and left triggers while pressing up, down, up, down, x, x, x, left, right, left, right, x, x, x.
Different person in cut scenes:
In order for this cheat to work you need to have the invisibility ninja item for Rikimaru and the the disguise ninja item for Tesshu(i suggest using the all items cheat). At the item screen select these items. When you get to the point before the cutscene use the the item and when the cutscene begins your character will either invisible(Rikimaru)or dressed as an enemey(Tesshu)note:this affect doesnt last very long.
Fill the kuji meter:
Pause the mission. Hold the right and left triggers while pressing left, left, left, right, x.
Get one kanji:
Pause the mission. Then press left, left, left, right, x. Fills your Kuji-Meter by 1.
Increase offensive power X5:
Pause the mission. Hold down right trigger and white button while pressing up, down, up, down. Let go of the right trigger and white button and press x, x, x.
Increase score:
Pause the mission. Hold down the white and black buttons while pressing right, right, right, left. 100 points will be added to your score.
Increase the amount of ninja items:
At the item select screen hold down right and left triggers and press up, left, down, right, x, x, x.
Ninja Dog Multi-player Character:
Get a