Play as Gregorio Zonaras
Beat arcade mode on the normal difficulty setting.

Play as Arnold Lang
Score over 10,000 points in "Challenge 9" mode.

Play as Roland, Edgard Cailaux, Powel Gardner, or Gerald Wells
Win the International Cup with all countries on the hard difficulty setting.

Play as Ruprecht Goes
Unlock the last three options in "Challenge 9" mode.

Play as David Magellan
Score over 11,500 points in "Challenge 9" mode on all difficulty settings.

Play as Maurice Poulenc
Achieve and overall accumulated score of 100 with Brazil in "vs. CPU" mode.

1998 World Cup France mode
Select "International Cup" and highlight the "New Game/Continue" option. Then, hold X + Select + Circle + Start and press Triangle. Now all teams will be exactly the same as in the 1998 World Cup France Final.