When selcting Jinpachi pressing SQUARE yields his Dark Resurrection fiery demon form. TRIANGLE grants you his human form. And CIRCLE and X will get you his original Tekken 5 demon form.
Effect - Code
Jinpachi - Complete arcade mode
Mokujin's wood sound
Highlight Mokujin at the character selection screen. Select him and hold Down. Release Down when the "Fight" screen appears. Each time your opponent lands a successful hit on Mokujin, you will hear a wooden sound.
Play as Panda
At the character selection screen, highlight Kuma then press Circle.
Play as Yoshimitsu's alternate forms
At the character selection screen, highlight Yoshimitsu and press X or Circle for his normal form, Square for his dark ninja form, or Triangle for his purple skinned ninja form.
Unlockable Tekken 5 Stages
Beat the arcade mode three times and the entire stage list from Tekken 5 will be unlocked for use in versus play.