Successfully complete Team Onimusha mode to unlock critical mode.
|Easy Gold And Souls|
Go to the road to the gold mine. Some of Nobunaga's guards will be there. Kill them all, and they will drop some gold and some souls. Keep exiting the path and go back into it repeatedly.
|Easy Issen Attacks|
Move to your left or right for a thrust attack and press Square; move one step back for a slash attack and press Square; or use a timing attack on a rolling enemy.
Start a game and die three times. If done correctly, a message will appear to indicate that a new easy difficulty setting is available.
Note: You cannot achieve an "Onimusha" rank when playing in easy mode.
Successfully complete the game to unlock the Scenario Route option, Man In Black Suit mini-game, and Team Onimusha mode; as well as a FMV preview of Onimusha 3.
Successfully complete the game on the normal difficulty setting to unlock the hard difficulty setting.
|Jubei's Alternate Costume|
Collect the Fashionable Goods item and successfully complete the game with an ''S'' rank. Enter the "Special Features" menu and enable the "Extra Jubei" option to dress him in leather and sunglasses (press L2 to toggle). In the Japanese version, successfully complete the game with the "Onimusha" rank.
|Kick Ass Mode|
Successfully complete the game on the hard difficulty setting to unlock the kick ass difficulty setting.
|Mind Twister Mode|
Successfully complete the game with all eighteen artworks to unlock mind twister mode.
|Oyu's Alternate Costume|
Get a 100% scenario completion by playing the game multiple times to make good alliances with all the sub-characters. After all scenarios are unlocked in the "Scenario Route" viewer, enter the "Special Features" menu and enable the "Extra Oyu" option to dress her in a 1970's style costume.
|Strongest Equipment Mode|
Successfully complete the game on the hard difficulty setting. Then, start new game to begin with the Blazing Fire Sword, 20,000 in money, 30 Intense Medicines, 10 Wood, all level 3 armors, infinite ammunition, and skill always full.