Complete each achievement to get the allotted gamerscore.
*There are 2 secret achievements. show
Achievement Description Value Early Days! Win a point in a multiplayer battle. 10 Elite Champion Earn at least Bronze in all the Elite Challenges. 15 First Steps Beat a Supersonic ghost. 10 Grease Monkey (secret) Unlock all the car upgrades. 20 I am the best! Win a multiplayer battle. 15 No one can beat me! Win 10 multi-player battles 20 Silver Arrow Earn at least Silver on all Challenges. 20 Skill Chief Earn at least Bronze in all the Skill Challenges. 15 Speed King Earn at least Bronze in all the Speed Challenges. 15 Supreme Being Earn Gold on all Challenges. 25 Weapon Master Earn at least Bronze in all the Weapon Challenges. 15 Weapons Officer (secret) Use every weapon in the game. 20
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