Expert Mode:
Hold L1 + L2 + R1 + R2 at the title screen.

Gado:
Complete the game with any character in arcade mode.

Fight Against Shen Long:
Complete game with any character in arcade mode without using continues.
Shen Long may be fought in a special stage.

Shen Long:
Defeat Shen Long in the special stage. This unlocks "Ending 1"
on the "Movies and Pictures" menu.

Custom option:
Complete arcade mode to access the custom options. Complete the game on
difficulty level 4 or higher using Greg.

Model Options:
Successfully complete the game with any character in story mode. Complete
the game on difficulty level 4 or higher using Greg.

Recovery speed option:
Complete the game with any character in story mode without using
continues.Complete the game on difficulty level 4 or higher using Greg.

Cancel Point Option:
Defeat fifteen or more characters in survival mode.

Extra Costumes:
Complete the game with all characters in arcade mode. Then, press Start at
the character selection screen to choose a fourth costume.

Full pause screen:
Pause game play and press R2.

Special attack:
Press L1 during game play to turn to beast, then press L1 again to execute
the special attack.