One Piece: Going Baseball (J)
Here are new push button codes to be entered at the Title Screen.
These are all the ones in the video, in the exact order.
Left, Up, Left, Down, B, A
Down, Down, Up, Up, B, A
Up, Down, Up, Up, A, B
Right, Left, Up, Down, A, B
Up, Right, Down, Up, A, B
Up, Right, Down, Left, B, A
Notice that the final one makes a different confirmation sound.
Being how much longer it is than the rest, it could be something special, such as a debug menu…
Up, Left, Down, Right, Left, Up, Right, Down, A, A, A, A