Achievements
Complete each achievement to receive the allotted gamerscore:
Early Days! (10) - Win a point in a multiplayer battle.
Elite Champion (15) - Earn at least Bronze in all the Elite Challenges.
First Steps (10) - Beat a Supersonic ghost.
I am the best! (15) - Win a multiplayer battle.
No one can beat me! (20) - Win 10 multi-player battles
Silver Arrow (20) - Earn at least Silver on all Challenges.
Skill Chief (15) - Earn at least Bronze in all the Skill Challenges.
Speed King (15) - Earn at least Bronze in all the Speed Challenges.
Supreme Being (25) - Earn Gold on all Challenges.
Weapon Master (15) - Earn at least Bronze in all the Weapon Challenges.