Unlocking Songs:
Completing any song on any difficulty setting gets you a crown:

Effect - Code:
Taiko March - Get 5 Crowns
Don Rangers - Get 10 Crowns
Ridge Racer - Get 15 Crowns
The Genji and The Heike Clans - Get 20 Crowns
'Oni' Difficulty - Get 25 crowns

Choose any given letter by the game title you need to find PS2 cheats or Codes for.

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