International Superstar Soccer 98 Cheats for Nintendo 64
When you see 'Press Start' on the title screen, press Up, C-Up, Up, C-Up, Down, C-Down, Down, C-Down, Left, C-Left, Right, C-Right, Left, C-Left, Right, C-Right, B, A, then hold Z and press Start.
press C-Down(2), C-up(2), C-right, C-Left, C-right, C-left, B, A when the phrase "press start" flashes on the title screen. Then hold, Z and Press start. The sound of a laughter will confirm correct code entry.