Unlock Bikes
Acrobatic Bike - Race 100% wheely and get 3 stars; do 2 front flips and get 3 stars; do 4 black flips and get 3 stars.
Bronze Bike - Get 24 stars in first three areas (Desert, Arctic, Dunes); win 3 consecutive races.
High Tech Bike - Create a game with a Facebook friend, with a random user, via SMS, and via email.
Hog Bike - Beat a Ninja Bike, a Ghost Bike, a Police Bike, and a Super Bike in multiplayer.
Ninja Bike - Win 250 multiplayer games.
Ghost Bike - Play with 20 Facebook friends.
Girl Bike - Get 12 stars; do a backflip and get 3 stars.
Gold Bike - Earn 24 stars each in Desert 2 and Arctic 2; win 12 consecutive races; win 5,000 games in multiplayer; beat a Silver Bike in multiplayer.
Police Bike - Play with 5 Facebook friends.
Retro Bike - Win 5 games on multiplayer; Like Bike Race Page; Like Top Free Games Page.
Silver Bike - Get 24 stars each on Hills, Beach, and Savana; win 7 consecutive races; beat a Bronze Bike in multiplayer.