Unlock Uncut Demo:
Adjust your age to 21 years old or higher at the 'Option', 'Game setting' and 'Others' menus and play Survival mode until your scores are high enough to be in the ranking. Then enter 'REALDEMO' without the quotes as your name and
Return to the Title screen to view the uncut demo.

Unlock Extra options:
During gameplay press 'Start' to pause the game and then press Triangle + X.

Unlock Alternate Stage Positions:
When selecting stages press Square on Demon's Church, White Storm, Burai Zenin, Dragon Hills or Crimson to change the starting position in those locations.

Unlock Random Tag Mode Opponents:
Highlight 'Tag' mode and press 'Start' to randomize the CPU's tag team members and costumes.

Change Winning Pose View:
During your fighter's victory pose press 'Triangle' and use the D-pad to change the camera angle. Press 'Square' to zoom in or 'Circle' to zoom out.

Unlock Expanded Credits:
Complete the game with ALL the characters in 'Very Hard' difficulty setting.

Unlock CG Gallery:
Using 5 characters win 'Team' mode.

Get Bayman
In story mode, finish the game with all the characters.

Play as Tengu:

To unlock Tengu in all modes except story mode - Collect 10 stars in survival mode.

Play as Bayman:

To unlock Bayman in all modes except story mode - Finish story mode with characters on the easy difficulty setting

Or you can finish story mode 30 times with any combo of characters.