Dance Dance Revolution Ultramix 4 [Xbox]

Quest Mode cheat
Right when a song starts in Quest Mode (before the "READY" sign shows up), pull the trigger buttons in a certain order

Right trigger, Left trigger, Right trigger, Left trigger - Lucky meter in Quest Mode

Unlock Dancers: Boldo and Lady
Defeat them at the Dance Tower in quest mode.

Unlock everything instantly
This trick will fully unlock Dance Dance Revolution Ultramix 4's secrets including the Fifth Power Course.

At the Master Mode menu highlight the following selections with the cursor for atleast ONE SECOND. Scroll quickly when moving from one MODE selection to the other. I suggest waiting for the female announcer to say the name of the mode before moving to the next MODE selection.

BASIC MODE
EDIT MODE
JUKEBOX MODE
PARTY MODE
RECORDS
WORKOUT MODE

After WORKOUT MODE, scroll up to GAME MODE and select it.

Unlockable songs
Unlockable - How to Unlock

Another Planet Clear the Club Planet in Quest Mode
Back-to-Back Clear the Club BB in Quest Mode
Beat Slow Down Clear the Club Slow Down in Quest Mode
CELEBRATE NITE (Like it's '99 Mix) Clear the Club Night in Quest Mode
Chocolate Philosophy Clear the Club Chocolate in Quest Mode
CLASSIC PARTY triathalon Clear the Club Classic in Quest Mode
Edge of Control Clear the Club Edge in Quest Mode
Edge Of Control / Jondi & Spesh Clear the fourth club area in Quest Mode. (i.e. shift right three times from Arrow Street, and head up once to the club.)
Girigiri Daddy Clear the Club Daddy in Quest Mode
Hunting for You Clear the Hunt Club in Quest Mode
Hypnotic Crisis Defeat Camo-Robo at Club Hypnotic
Insaner (L.E.D.'s Punishment Remix) Defeat Boldo at the Dance Tower in Quest Mode
PARANOiA Survivor MAX Clear Quest Mode
PARANOiA Survivor MAX Defeat Lady at the Dance Tower in Quest Mode
Skulk (Konami Mix) Clear the Club Skulk in Quest Mode
STILL IN MY HEART (MOMO MIX) Clear the Club Heart in Quest Mode
Stompin at the Gotham Clear the Club Gotham in Quest Mode
TEARS Clear the Club TEARS in Quest Mode