Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Victory (5 points): Win a race in any mode except Splitscreen.
Centurion (30 points): Complete 100 races in any mode except Splitscreen.
Rookie (20 points): Win a 125cc class season in Career mode.
Pro (40 points): Win a 250cc class season in Career mode.
Legend (60 points): Win a MotoGP class season in Career mode.
Top of the Class (10 points): Obtain an 'A' class rating in all three sessions of a race weekend in career mode.
Middle Management (10 points): Hire a full compliment of staff in career mode.
That's a rep! (5 points): Obtain a reputation level of 1 in career mode.
Notorious (10 points): Obtain a reputation level of 10 in career mode.
Famed (40 points): Obtain a reputation level of 20 in career mode.
The G.O.A.T. (100 points): Obtain a reputation level of 30 in career mode to become the greatest of all time.
Brand (10 points): Choose your own team livery, helmet, leathers and paint them with your own team colours.
Boy Done Good (5 points): Win on your home circuit in Career Mode.
Corporate Cartel (10 points): Obtain a full complement of sponsors.
Egg-Head (30 points): Fully upgrade a MotoGP class machine in career mode.
Jump through some hoops... (10 points): Successfully perform every type of dynamic objective.
Dynamic! (10 points): Complete over 50 dynamic race objectives.
They Made Me Do It (10 points): Complete a full season in championship mode.
Unravel (10 points): Unlock the MotoGP Class in any game mode.
1UP (80 points): Complete a full Arcade Mode season without using a continue.
Draughter (20 points): Spend a total of 10 minutes slipstreaming in Arcade Mode.
Mirror, Signal, Maneuver (20 points): Get every type of time bonus within the same lap in Arcade Mode.
Insert Coin (10 points): Use a continue and then finish first in Arcade Mode.
Out Runned (10 points): Finish a race with more time than you started with in Arcade Mode, without using any continues.
Power UP! (10 points): Earn more time between timing-out and using a continue in Arcade Mode.
Bustin' Makes Me Feel Good! (10 points): Download and race against an online ghost in Time Trial.
Find Your Own Way (10 points): Create a personal racing-line in Time Trial and then use it in another game mode.
Beat the 'Fun Vampire' (20 points): Beat a time of 01:19.78 on Donington in Time-Trial Mode.
Pole Position (20 points): Qualify for pole position.
Halcyon (20 points): Win a race with no penalties, in any mode except Splitscreen.
Panning For Gold (30 points): Win a race at each track in any mode except Splitscreen.
Glove Slap (20 points): Start in last position on the grid, but finish in first.
Bohemian Unlike You (10 points): Cross the finish line separately from your bike in any mode except Splitscreen.
I Can't Stop (5 points): Complete a lap of any track in the wrong direction, in any mode except Splitscreen.
Water Sports (10 points): Win a wet-weather race in any mode except Splitscreen.
Road Thrash (20 points): Lead an entire race and go on to win that race in any mode except Splitscreen.
Doppelganger (5 points): Finish a race with each rider in the game in any mode except Splitscreen.
Blackjack (20 points): Win 21 races online.
Nicky Hayden (50 points): Win 69 races online.
Back to my place...? (10 points): Host a multiplayer race.
Owned (10 points): Use your own Career Mode motorbike and rider in a multiplayer race.
Champagne! (20 points): Win a race against a full grid of human riders.
Niko Wheelie (20 points): Do a wheelie lasting at least 500 feet in any mode except Splitscreen.
Endo-Rider (20 points): Do an endo lasting at least 50 feet in any mode except Splitscreen.
Dude, Where's My Bike? (20 points): Find yourself over 100 yards away from your bike after a crash, in any mode except Splitscreen.
Bon Voyage (30 points): Ride over 100 miles in any mode except Splitscreen.
Wind Tunnel (10 points): Go over 207mph in any mode except Splitscreen.
Cheers (20 points): Raise the crowd’s excitement level to max in any mode except Splitscreen.
Photo Finish (5 points): Finish a race within 0.1 seconds of another rider in any mode except Splitscreen.
Mr. Consistent! (10 points): Finish 10th or better in every race of a full season.