At the title screen, press X, Up, B, Down, Y, Left, Start, Right, R(2), L, R(2), Down(2), Up, Y(3), Start, Select to unlock all characters. If you entered the code correctly, you will hear a sound.

At the title screen, press X, Y, B(2), Y, X, L(2), R(2), Up, Down, Left, Right, Start, Select. If you entered the code correctly, you will hear a sound.

At the title screen, press Up(2), B, Down(2), X, Left(2), Y, L, R, L, R, B, Y, X, Start, Select. If you entered the code correctly, you will hear a sound.

Successfully complete Story mode to unlock the Cut Scene Gallery.