Here is the complete list of unlockable achievements for MX vs. ATV Alive for the Xbox 360, with the gamer points they give in parenthesis.
All Around Talent (30) – Achieve every level 1 Race Goal
Be the Star (20) – Win a race with the James Stewart character
Bragging Rights (20) – Beat a friend’s record in a Free Ride Challenge
Bully (30) – Complete 50 overtakes using bar banging
Challenger (20) – Earn a medal in a Free Ride Challenge
Cover the Bases (20) – Finish at least one race at each track
Create an Image (10) – Almost Amateur, Reach Rider XP Level 6 and make a name for yourself
Factory Garage (20) – Own a 3 star vehicle for each class
Fast Lap (20) – Capture a record lap time
Free Ride Pro (30) – Get at least a silver in all the Challenges in a Free Ride event
Front Runner (40) – Win 35 races online
Getting Comfortable (15) – Earn a podium 3 races in a row
Getting Known (10) – Reach Rider XP Level 2 and meet James Stewart
Gone Shopping (10) – Visit the MotoClub Depot
Greatest of All Time (40) – Win a race at every track
Green to Checkers (10) – Get the holeshot and win a race
High Miles (20) – Ride for over 100 miles in Free Ride
Hot Streak (50) – Win 5 races in a row
Inverted (10) – Land a backflip
It’s On (25) – Welcome to the big leagues, it’s time to race James Stewart, Pro Rider XP level 25
Level Headed (10) – Reach Amateur Status at Rider XP Level 10
Looking Cool (10) – Customize your vehicle or rider
Medal Chaser (20) – Win a Gold medal in a Free Ride Challenge
MotoSport Holeshot King (25) – Capture 3 MotoSport holeshots in a row
New Hero, for Now (30) – Defeat James Stewart in a race
No Help Needed (20) – Earn a podium on Xbox LIVE with assists turned off
Off and Racing (10) – Finish a race
On the Edge (20) – Save 35 wrecks using wreck avoidance
On the Right Track (20) – Finish a race without going off track
Ouch (15) – Wreck 50 times
Play Rides (25) – Find the bonus vehicle in all of the Free Ride events
Podium Pro (30) – Earn a podium on each track
Racing Forward (15) – Almost Pro, Reach Rider XP level 18
Radical Dude (15) – Win the race and do a 360 over the finish line jump
Record Chaser (100) – Reach Rider XP level 50, chasing records is all that is left
Rollerball (30) – Complete 5 overtakes with bar banging in a race
Showtime (20) – Pull off 100 stunts
Testing the Waters (20) – Hydroplane over 120 feet of water
That Was Close (30) – Save 100 wrecks using wreck avoidance
Top of the Line (20) – Own a 3 star MX or ATV
True Skills (10) – Change your Rider Skills
Underdog (15) – Beat a rider with a higher Rider XP than you
When It Counts (15) – Win a race after not leading until the last lap
World Class (15) – Finish 50 races on Xbox LIVE
YeeeeHawww (10) – Pull a wheelie over 150 feet