Master code
Get to the end credits, and play the mini-game. However, ignore the directions of the arrows and instead hit the exact opposite direction. After getting the opposite direction several times the sound of applause will confirm correct code entry. All songs and bonuses will now be unlocked.
Brilliant R*E*D song
Trade the Jefferson City, Missouri flag in quest mode.
Colors (Midihead's Sapphire Mix) song
Trade the Little Rock, Arkansas flag in quest mode.
Danca de Yuka song
Complete Rock-a-billy Willy under all three difficulty settings. Alternately, trade the Concord, New Hampshire Flag in quest mode.
ever snow song
Trade in the Bismarch, North Dakota flag in quest mode.
Frozen Ray (Dirtyhertz Mix) song
Get an "A" rank on a song. Alternately, trade the Jackson, Mississippi flag in quest mode.
Guidecca song
Complete bag, (SAKURA), and The Legend of MAX under the heavy difficulty setting with an "AA" or better rank. Alternately, trade the Nashville, Tennessee flag in quest mode.
Hinawari song
Trade the Charleston, WV flag in quest mode.
Insaner song
Trade the Dover, Delaware flag in quest mode. Alternately, play the credits game twice.
Jelly Kiss (Midihead's SMAK Mix) song
Complete 10 songs. Alternately, trade in the Newfoundland flag in quest mode.
Legend Of Max song
Trade the Phoenix, Arizona flag in quest mode.
Love This Feelin' (Zonk Remix) song
Get an "AA" rank on a song. Alternately, trade the Yukon Territory flag in quest mode.
Music To Your Head song
Trade the Santa Fe, New Mexico Flag in quest mode.
Parade of the Wooden Soldiers song
Trade the Phoenix, Arizona flag in quest mode. Alternately, set the system date to December 25th.
Rainbow Flyer song
Get an "AAA" rank on a song. Alternately, trade the Victoria, British Columbia flag in quest mode.
Right On Time song
Trade the New Brunswick flag in quest mode.
Bonus dancers
Collect all of B's or Honey's puzzle pieces in quest mode to unlock the corresponding dancer.