Unlock New Challenges 
Enter these codes at the password screen to unlock a new challenge:

QQRniVF6tM5 Condition: 3 minute time limit. Original "Devil Dice" mode. 
TQXYRyXhdm5 Condition: Chain Attack mode, 2 minutes only. Speed fixed at 3/5. 
GVFhSiQW8m5 Condition: Delete all dice before the combo ends. 
J3P8rFqeTF3 Condition: Eliminate all 50 dice at the starting screen. Speed fixed at 5/5. 
hfjYWUKb343 Condition: Eliminate all dice at the starting screen. Speed fixed at 5/5. 
U8mnPYmG7QW Condition: Get to level 10 before the three-minute time limit. 
U8mnPYmG7Qw Condition: Get to level 10 within the 3-minute time limit. 
BbrMjXSbnB3 Condition: Get to level five as fast as you can. 
mqH7aHQUMC3 Condition: Three-minute time limit. Speed is set at 4/5. 
APGyfYbXJd3 Condition: Two-minute time limit. Speed is set at 4/5. 
mDHHitPhinX Condition: Two-player time attack. To win, score 20000/reach level 5. 
ijEhjTtETe3 Condition: Two-player, five-minute limit. Get the the highest level possible 

Unlock Classic Mode: Get a high score in Trial or Quest Mode.
Unlock Challenge 1: Use the password BbrMjXSbnB3
Unlock Advanced Mode: Beat Quest Mode
Unlock Theatre Mode: Beat Quest Mode
Unlock Second Quest Mode: Earn all Perfects in Quest Mode
Unlock Time Attack Mode: Earn all Perfects in Quest Mode.