Songs
In "Dance Dance Revolution: Hottest Party," you can unlock new songs once you accomplish certain tasks in the game. To unlock the song "Super Samurai," you must first get a rank of AA or better on the third song of a three-song group on Expert difficulty. The song "Tokyo Evolved" is unlocked once you have every other song in the game, play on Expert difficulty, and get a rank of AA on the final song of a three-song group.
Wardrobe
In "Dance Dance Revolution: Hottest Party" for the Wii, your performance can earn you new wardrobe options for your characters. To get an extra costume for Harmony, you must beat her while performing "Little Steps" on the Genesis stage. You must score higher than Root and get a B rank while performing "Break Down" on the Tectonic level to get his extra wardrobe option.
Levels
In "Dance Dance Revolution: Hottest Party 3" for the Wii, you can unlock new levels to showcase your dancing once you accumulate certain point totals. Once you get at least 38,000 points, you get the Silent Dome stage. The Dance Truck level shows up after getting 80,000 points. If you want the Purple Note level, you must first get to 129,000 points. The Evolution stage shows up after netting 218,000 points, while you get the Premium stage at the 398,000 point level, To get the Spaceborn level, you must accumulate 577,000 points. The Echoes level appears after getting to 622,000 points, and the Terra level shows up once you get to 711,000 points. To get the DDR stage, you must rack up at least 756,000 points in "Hottest Party 3".