Win a point in a multiplayer battle.
Earn at least Bronze in all the Elite Challenges.
Beat a Supersonic ghost.
I am the best!
Win a multiplayer battle.
No one can beat me!
Win 10 multi-player battles
Earn at least Silver on all Challenges.
Earn at least Bronze in all the Skill Challenges.
Earn at least Bronze in all the Speed Challenges.
Earn Gold on all Challenges.
Earn at least Bronze in all the Weapon Challenges.
Unlock all the car upgrades.
Use every weapon in the game.