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

MotoGP Champion - Rookie (10 points): Win a Career mode Grand Prix season on Rookie difficulty.
MotoGP Champion - Pro (15 points): Win a Career mode Grand Prix season on Pro difficulty.
MotoGP Champion - Champion (25 points): Win a Career mode Grand Prix season on Champion difficulty.
MotoGP Champion - Legend (50 points): Win a Career mode Grand Prix season on Legend difficulty.
Extreme Champion - Rookie (10 points): Win the Extreme World Championship at Rookie difficulty.
Extreme Champion - Pro (15 points): Win the Extreme World Championship at Pro difficulty.
Extreme Champion - Champion (25 points): Win the Extreme World Championship at Champion difficulty.
Extreme Champion - Legend (50 points): Win the Extreme World Championship at Legend difficulty.
#75 Seed (5 points): Reach Seed 75.
#50 Seed (10 points): Reach Seed 50.
#25 Seed (15 points): Reach Seed 25.
#10 Seed (20 points): Reach Seed 10.
#1 Seed (50 points): Reach Seed 1.
Ultimate Rider (100 points): Collect 400 rider credits.
MotoGP Collector (10 points): Unlock every MotoGP bike for use in Career Mode.
Stunt Award (5 points): Complete 1 Stunt Mode race online.
Safe Rider (5 points): Complete a race without crashing.
Finish 50 Races (20 points): Complete 50 races online.
Finish 100 Races (40 points): Complete 100 races online.
50 Ranked Races (30 points): Complete 50 ranked races online.
100 Ranked Races (50 points): Complete 100 ranked races online.
Pink Slip Racer (25 points): Complete 10 pink slip races online.
Track Checklists - Stage 1 (20 points): Complete 6 track checklists.
Track Checklists - Stage 2 (30 points): Complete 12 track checklists.
Track Checklists - Complete (50 points): Complete all 18 track checklists.
Challenges - Stage 1 (20 points): All challenges completed at minimum bronze level.
Challenges - Stage 2 (30 points): All challenges completed at minimum silver level.
Challenges - Complete (50 points): All challenges completed at minimum gold level.
Ishikawa Collector (5 points): Own all 4 Ishikawa bikes.
Kimura Collector (5 points): Own all 4 Kimura bikes.
Kurosawa Collector (5 points): Own all 4 Kurosawa bikes.
Marcuccilli Collector (5 points): Own all 4 Marcuccilli bikes.
Vechioni Collector (5 points): Own all 4 Vechioni bikes.
Ultimate Collector (15 points): Own all 20 extreme bikes.
Open International Winner (5 points): Win the Open International online tournament.
European Classic Winner (5 points): Win the European Classic online tournament.
All Nippon Series Winner (5 points): Win the All Nippon Series online tournament.
Race Club Winner (5 points): Win the Race Club online tournament.
Fight Club Winner (5 points): Win the Fight Club online tournament.
Tournament Master (15 points): Win all the online tournaments.
25 Pole Positions (5 points): Earn 25 pole positions in any mode of play.
50 Pole Positions (15 points): Earn 50 pole positions in any mode of play.
100 Pole Positions (20 points): Earn 100 pole positions in any mode of play.
25 Race Wins (5 points): Earn 25 race wins in any mode of play.
50 Race Wins (15 points): Earn 50 race wins in any mode of play.
100 Race Wins (20 points): Earn 100 race wins in any mode of play.
Clean Sweep - Rookie (5 points): Win every race in any season on Rookie difficulty.
Clean Sweep - Pro (10 points): Win every race in any season on Pro difficulty.
Clean Sweep - Champion (15 points): Win every race in any season on Champion difficulty.
Clean Sweep - Legend (25 points): Win every race in any season on Legend difficulty.