Unlock the Silicon Dream Teams

While in the Arcade Mode Menu, press Y, A, B, B, A, Down, A, B, B, A, Down, Up.

Tiny Players

While at the Arcade Mode Menu, press Down, Up, Left, Left, A, Right, Down, Start.

Unlock All-Star Teams

While at the Arcade Mode Menu, press Start, A, Y, Up, Right, B, A, Down.

Unlock Stadiums 1, 2, 5, and 11

While at the Arcade Mode Menu, press B, Up, Y, Left, A, Right, Down.

Unlock Stadiums 3, 7, 10, and 15

While at the Arcade Mode Menu, press B, A, Left, Left, Start, B, A, Left, Start.

Unlock Stadiums 8, 13, and 16

While at the Arcade Mode Menu, press B, A, Right, Start, B, A, Right, Start.