Dance Dance Revolution Hottest Party - Platform: Wii

Root's alternate outfit:
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Beat Root at Break Down with a B ranking at the Tectonic Venue.

Super Samurai - jun:
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Play 3 songs on Expert and get a AA or higher on the third song.

Tokyo EVOLVED - Naoki UNDERGROUND:
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Unlock all songs, then play three songs on Expert and get an 
AA or higher on the third song.

Unlock Harmony:
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Defeat Harmony with the song 'Little Steps' at the Genesis venue.