Parodius: Forever With You Nine continues
Pause the game and press Down(3), X, Circle, X, Circle, Triangle, Square, Triangle, Square, Up(3), Left, Right, Left, Right, Left, Right.
Nine planes
Pause the game and press Up, Down, Left, Right, Square(2), Left, Right, Square, Circle, Up, Down.
Self-destruct
Pause the game and press Up(2), Down(2), Left, Right, Left, Right, X, Circle.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original