Full list of all 45 MX vs. ATV Alive achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Win 35 races online
Finish 50 races on Xbox LIVE
Reach Rider XP level 50, chasing records is all that is left
Achieve every level 1 Race Goal
Ride for over 100 miles in Free Ride
Own a 3 star vehicle for each class
Win the race and do a 360 over the finish line jump
Win a race with the James Stewart character
Defeat James Stewart in a race
Win a race at every track
Earn a podium on each track
Finish at least one race at each track
Welcome to the big leagues, it's time to race James Stewart, Pro Rider XP level 25
Capture 3 MotoSport holeshots in a row
Beat a rider with a higher Rider XP than you
Earn a podium on Xbox LIVE with assists turned off
Almost Pro, Reach Rider XP level 18
Get at least a silver in all the Challenges in a Free Ride event
Beat a friend's record in a Free Ride Challenge
Land a backflip
Change your Rider Skills
Complete 50 overtakes using bar banging
Visit the MotoClub Depot
Reach Amateur Status at Rider XP Level 10
Find the bonus vehicle in all of the Free Ride events
Finish a race without going off track
Own a 3 star MX or ATV
Win a race after not leading until the last lap
Win 5 races in a row
Almost Amateur, Reach Rider XP Level 6 and make a name for yourself
Win a Gold medal in a Free Ride Challenge
Pull a wheelie over 150 feet
Save 100 wrecks using wreck avoidance
Pull off 100 stunts
Wreck 50 times
Save 35 wrecks using wreck avoidance
Earn a medal in a Free Ride Challenge
Hydroplane over 120 feet of water
Complete 5 overtakes with bar banging in a race
Reach Rider XP Level 2 and meet James Stewart
Earn a podium 3 races in a row
Customize your vehicle or rider
Get the holeshot and win a race
Capture a record lap time
Finish a race