Onimusha Arena:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press Square, L1, R2, Square, Left, L1, L2, L3, Right, Triangle.
Two player mode:
Hold L2 + R1 on controllers one and two at the title screen and press Start on controller two. A sound will confirm correct code entry.
Jubei wears Cammy's Street Fighter costume:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press L2, L2, Right, Right, L3, Triangle, Left, L1, L2, Square.
Ohatsu wears Chun-Li's Street Fighter costume:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press R3, Right, L2, Left, Left, R3, L1, R1, Right, R3.
Roberto wears Guile's Street Fighter costume:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press R2, L2, Left, L1, Left, Right, R3, Square, Square, Triangle.
Soki wears Ryu's Street Fighter costume:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press Left, Triangle, R2, R3, Square, R1, R1, Right, Left, L2.
Tenkai wears Ken's Street Fighter costume:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press L3, L3, R3, R3, R3, Left, R2, L1, Square, Right.
Jubei has tennis racket weapon:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press L1, R1, Right, L2, Triangle, Right, L1, Right, L3, R1.
Ohatsu has piggy bank weapon:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press Right, Triangle, Left, L3, L1, Triangle, Square, R2, Square, R2.
Roberto has boxing gloves weapon:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press Triangle, R3, Triangle, Right, R1, L3, Triangle, L1, Right, L3.
Soki has steel pipe weapon:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press L2, Square, Triangle, R1, R1, R3, Left, Square, L1, Triangle.
Tenkai gets microphone stand weapon:
Select the "Special" option at the main menu. Highlight the "Exit" option at the "Special" menu, then press R2, R3, Square, Left, Left, Right, L2, Left, R2, Left.
Hard difficulty:
Successfully complete the game under the normal difficulty setting.
Oni difficulty:
Successfully complete the game under the hard difficulty setting.
Ultimate Oni difficulty:
Successfully complete the game under the Oni difficulty setting.
Alternate costumes:
Successfully complete the Test Of Valor to unlock alternate costumes. Additional costumes will be unlocked if the Test Of Valor is completed with all "Gold" ranks.
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