Finish 0.5 seconds ahead of an opponent in a Race

Complete the Shattered Island level.

Defeat 15 Chompies in the Shattered Island level.

Beat a friend's ghost in a Race or Hot Lap event who currently sits above you in the leaderboards.

Win VS Grace on Pro Rank.

Win VS Pancho on Amateur Rank.

Score an eagle in an official round.

Score a birdie in an official round.

Build up a collection of 100 cars.

Completed the Epilogue.

Found an old friend.

Won a game of Rock/Paper/Scissors.

Completed Shel's Chapter.