Katamari Damacy mini-game
     Successfully  complete the game. After the King speaks during the
ending  sequence,  a short level based on the original Katamari Damacy
in  classic  8-bit  style  will  begin.  You can control the mini-game
during the credits by using the [D-pad] to move and [Circle] to jump.

Katamari Damacy mini-game: Evening level:
     Successfully complete the Katamari Damacy mini-game.

Katamari Damacy mini-game: Night level:
     Reach  the  Castle  in  the  Evening level of the Katamari Damacy
mini-game.

Katamari Damacy mini-game: Dashing:
     Hold Triangle to hear a little sound and the Katamari should move
slightly faster.

Sound Test tracks:
     Complete  the  indicated task to unlock the corresponding song in
the "Sound Test" option on the "Vacation Memorial" screen.

Blue Orb song: 
     Complete the game and the credits.

Song For King of Kings: 
     Complete the game and the credits.

Eternal mode:
     Get  over 80 points as your second score at the end of any normal
mode  stage  to unlock that stage's Eternal version, which removes the
time limit.

Alternate name board:
     Get  a  100%  object  collection  by  finding  each  of the 2,434
objects.  The  island's  name board will appear on a strobe light name
board instead of wood.