Achievements:ACHIEVEMENT – HOW TO UNLOCKMotion Sickness (10 points) – Use Adrenaline Boost 4 times in any one race.Adrenaline License (5 points) – Complete your first race in any event.Risky Bidness (10 points) – Successfully take the inside lane for all turns on a Mountain Bike track.Trick Hop (10 points) – Score over 50,000 points from tricks in a Mountain Bike track.Tailgater (25 points) – Perform 10 Speed Boosts