Onimusha: Dawn of Dreams Cheats (PlayStation 2)

1st Set of Secret Costumes :

Complete all the Test of Valor.

2nd Set of Secret Costumes :

Beat all the Test of Valor and get the Gold Ranking for all of them.

Arena Mode :

Go to the menu screen, select 'Special' and leave the cursor on the word exit and press
SQUARE, L1, R2, SQUARE, LEFT, L1, L2, L3, RIGHT, TRIANGLE.

Hard Mode

Finish normal difficulty.

Multiplayer Mode :

At the title screen, both players must hold R1 and L2. Player 2 must press START, and
sound will chime to confirm the unlock.

Oni Mode :

You must finish Hard Mode.

Ultimate Oni :

Complete the game once on Oni mode. 

Unlock 2 Player mode :

At the title screen, both players must hold R1, R2, L1, L2. The 2nd player must enter
START, and a chime will confirm properly entered code.

First, you should finish the stage where you are in Sakai Facility. After that don't
proceed to the next mission, revisit the Sakai Facility instead. Proceed until you have an
encounter with a Black Genma General in a Test of Valor. Make sure you get rid of him fast
and get a gold medal, for having gold medal you'll be awarded Gem of Will. Gem of Will has
the abilty to give you 10 times more expericence after a fight when equipped but will hold
your hp to 1. Now, here's the trick make sure you have equip the gem of will and you have
a full Drive power and just let your ally wait and recover. Having full drive power makes
you resurrect , preventing from a game over. Now, just reenter the room where the test of
valor of black genma general again. But this time, wait for the general to summon his
minions, then attack the genmas with a magic attack and critical hit all of them so that
the fight would be easy, critical them again and again until they perish, after the fight
you would notice that you have gained 200000 experience or simply 2 to 7 level ups in just
one bout, it's very simple really. Just repeat the process again until you have reach
level 100.

When you are trying to find the San Felipe (the ship to get to Kyushu), close to the end
of the level after you figured out the first combination of "345", there is a even more
difficult puzzle. Get the lubricating oil by using Roberto on the door to lower the
bridge. The next combination can be frustrating; the combination is "526". Shortly
afterwards, there will be another battle with Sakon.

Finish the game on the Oni difficulty setting to un-lock the Ultimate Oni difficulty
setting.

At the title screen, hold L1 + R2 on controllers one and two and press Start on controller
two. If you entered the code correctly, you will hear a sound. In the Japanese version,
hold L2 + R1 on controllers one and two at the title screen and press Start on controller
two.

Finish the game on the Hard difficulty setting to un-lock the Oni difficulty setting.

At the main menu, select the "Special" option. Highlight the "Exit" option at the
"Special" menu, then press Left, Triangle, R2, R3, Square, R1(2), Right, Left, L2. In the
European version, press press R1, Square, R1, Left, Triangle, R2, R3, Right, Left, L2.

At the main menu, select the "Special" option. Highlight the "Exit" option at the
"Special" menu, then press Square, L1, R2, Square, Left, L1, L2, L3, Right, Triangle to
un-lock the Onimusha Arena. Alternately, finish the game on the Normal difficulty setting.

When Roberto is in your party and Lazuline Hall is your Hideout (Stage 7 onwards),
position Soki in front of Roberto. Then, rotate the camera so that it faces Roberto's
back. Due to Roberto's position, the camera will zoom into his head, and you can see
through his hat. There is a head in it, and it follows the direction of your camera
movements.