Ranking mode: Insert your coin(s) then hold Down and press
Start.
Play against FC Sonic team: Win the final match of the game, and wait until the
team photo appears at the congratulations screen. Then, press
Short Pass three times, Shoot, Short Pass.
If done correctly, the FC Sonic team will replace the FC Sega
team.
Play as FC Sonic team: Highlight "Sweden" at the team selection
team, then press Start. Highlight "Morocco",
then press Start. Highlight "Denmark", then press
Start. Highlight "Spain", then press Start.
Highlight "France", then press Start. If done
correctly, the "FC Sonic" option will appear at the
top right of the screen. Note: You may first need to play against
the FC Sonic team before they can be selected as playable.