Onimusha 3: Demon Siege Cheat Codes for Playstation 2

Unlimited life
During gameplay, if you kill a genma, star-like roids will come out of the genma or the enemy and hold CIRCLE to collect it and it will add life to your life bar. Sometimes, they release some unusual and bigger starlike roiids, collect it and it will add to your purple life bar (under your yellow life bar) and if you have collected enough to your purple life bar, if you die, you will still live an have your YLB full, but your PLB will be lessen.
submitted by: Kevin Panlilio

Puzzle Mini Game
Complete all puzzles in the normal game.

Secret Training Mode
Complete normal training mode, and complete the game.

Shooting Mini Game
Complete the game on Normal difficulty.

Michelle's Costume.
Complete the game with Onimusha ranking.

Panda Costume
Complete Secret Training mode.

Easy Mode
Get "Game Over" twice.

Hard Mode
Complete the game on normal mode.

Issen Mode
Complete game on hard mode.

Oni Mode
Complete Issen mode.

Ultimate Mode
Complete the shooting mini game.

Unlock the Three Swords of Onimusha.
Complete all of the phantim realms, finish the game, and start new game.

Heihachi Buraiden Mini Game
Finish the game.

Fast Life Recovery
When you have Ako's White Vest equiped rotate the right analog stick and your life will replenish at least 2 times faster.

Find the Bishamon Sword
Before your last encounter with Nobunaga, go to the save point at the bottom of the stairs to the temple. Look to your upper left. The crazy hanging man is right there. Move a little closer and you'll be, once again, warped to the demon world. Here, you'll have to find 8 red orbs to unlock the chest. Once you do, The Bishamon sword is yours.

Unlockables
There are certain titles that can be attained for exceptional performance during the game. These titles will appear under the grade you earn.

Bravery
Finish the game without ever saving.

Critical
Use Criticals to kill 40% of your enemies.

Defense
Take less than 5,120 damage.

Explorer
Find the 23 Tengu treasure chests.

Offense
Kill 3,000 or more enemies.

Speed
Finish the game in 5:00 or less.