ACHIEVEMENT - HOW TO UNLOCK Air Delivery - Spent one hour in the air total. Benchmark - Complete 10 events. Casual Gamer - Play for one hour total. Country Drive - Ride fifty miles total. Dare Devil - Land a backflip in a race you come in first place. First Supercross Race - Complete a Supercross race. First Supercross Win - Win your first Supercross race. Friendly Skies - Fly one mile through the air total. Game Addict - Play for ten hours total. Ghost Rider - Complete one Time Trial lap. Hardcore Gamer - Play for five hours total. In the Zone - Improve on your fastest Time Trial on three consecutive laps. Marathon - Ride one hundred miles total. Practice Makes Perfect - Complete five Time Trial laps. Pro Ghost - Complete ten Time Trial laps. Serious Gamer - Play for two and a half hours total. Spring Boost - Preload five times in a single race event. Supercross Win Streak - Win three Supercross races in a row. Weekend Trip - Ride ten miles total.