Powerful World Soccer 3
All-Star Team

At the title screen, press Up, L, Up, L, Down, L, Down, L, Left, R, Right, R, Left, R, Right, R, B, A, Z + Start.

Big Head Mode

At the title screen, press C-Up(2), C-Down(2), C-Left, C-Right, C-Left, C-Right, B, A, Z + Start.