Onimusha: Dawn of Dreams

First, you should have finished the stage where you are in Sakai Facility. After you finish the stage dont 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.

You must complete all the Test of Valor.

You must beat all the Test of Valor and get the Gold Ranking for all of them.

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

Finish normal difficulty.

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

You must finish Hard Mode.

You must complete the game once on Oni mode.

When you're 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.