Double Dragon Advance
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Expert mode
In the options prompt, hold Select and push Up(2), Down(2), Left, Right, Left, Right.
Background music selection
In the options prompt, hold Select and push R, L, R, L.
10 credits
In the options prompt, hold Select and push L, R, Down, L, R, Down, L, R, Right.