Arcana

Chapter select: 
Press Down, Select(2), X, Y, Select(2), L, R, Select(2), Left, Right, 
Up at the title screen. Then, press one of the following buttons to 
start at the corresponding chapter: 
A - Chapter 2 
B - Chapter 3 
X - Chapter 4 
Y - Chapter 5 
Note: When using this code, your character will gain hit points and 
experience, but will not automatically acquire items needed to complete 
the game. 
Sound test: 
Hold L + R + B and press Start at the title screen.