Complete each achievement to get the allotted gamerscore. If you have an Xbox 360 gamertag, you can log in using this same gamertag and the achievements will count the same as if you were playing the 360 version.

Achievement	How to unlock
1 Kill ( 5 points )	Defeat an enemy player during an online battle.
100 Kills ( 10 points )	Defeat 100 enemy players in total during online battle.
1000 Kills ( 40 points )	Defeat 1000 enemy players in total during online battle.
500 Kills ( 20 points )	Defeat 500 enemy players in total during online battle.
5000 Kills ( 50 points )	Defeat 5000 enemy players in total during online battle.
Bronze Winner ( 10 points )	Win 10 online battles.
Easy Difficulty Cleared ( 5 points )	Complete all missions on "Easy" Difficulty.
Easy Mode Coin Collector ( 5 points )	Find all Target Marks on "Easy" Difficulty.
Extreme Difficulty Cleared ( 20 points )	Complete all missions on "Extreme" Difficulty.
Extreme Mode Coin Collector ( 20 points )	Find all Target Marks on "Extreme" Difficulty.
Gold Scorer ( 30 points )	Receive 100,000,000 points in Score Attack Mode.
Gold Winner ( 40 points )	Win 100 online battles.
Great Scorer ( 20 points )	Clear Trial Battle Mode with over 150,000 points.
Hard Difficulty Cleared ( 10 points )	Complete all missions on "Hard" Difficulty.
Hard Mode Coin Collector ( 10 points )	Find all Target Marks on "Hard" Difficulty.
Level 10 Player ( 5 points )	Achieve level 10 in online battle.
Level 100 Player ( 50 points )	Achieve level 100 in online battle.
Level 20 Player ( 10 points )	Achieve level 20 in online battle.
Level 30 Player ( 20 points )	Achieve level 30 in online battle.
Level 50 Player ( 30 points )	Achieve level 50 in online battle.
Map Marker ( 10 points )	Battle on 10 different maps online.
Map Specialist ( 30 points )	Battle on 20 different maps online.
Map Traveler ( 15 points )	Battle on 15 different maps online.
Map Walker ( 5 points )	Battle on 5 different maps online.
Match Beginner ( 10 points )	Play 10 online battles.
Match Expert ( 40 points )	Play 500 online battles.
Match Regular ( 20 points )	Play 50 online battles.
Match Rookie ( 5 points )	Fight to the finish in one online battle.
Match Veteran ( 30 points )	Play 100 online battles.
Medal Catcher ( 10 points )	Acquire 3 medals.
Medal Collector ( 20 points )	Acquire 6 medals.
Medal Grabber ( 5 points )	Acquire a medal.
Medal Hoarder ( 30 points )	Acquire 9 medals.
Medal King ( 40 points )	Acquire 11 medals.
Normal Difficulty Cleared ( 5 points )	Complete all missions on "Normal" Difficulty.
Normal Mode Coin Collector ( 5 points )	Find all Target Marks on "Normal" Difficulty.
Platinum Scorer ( 40 points )	Receive 300,000,000 points in Score Attack Mode.
Platinum Winner ( 50 points )	Win 200 online battles.
Score Attack Clear ( 5 points )	Clear Score Attack Mode.
Silver Scorer ( 10 points )	Receive 10,000,000 points in Score Attack Mode.
Silver Winner ( 20 points )	Win 25 online battles.
Speed Star ( 30 points )	Clear Trial Battle Mode in less than 300 seconds.
Title Catcher ( 10 points )	Receive 5 titles.
Title Collector ( 20 points )	Receive 10 titles.
Title Grabber ( 5 points )	Receive a title.
Title Hoarder ( 30 points )	Receive 15 titles.
Title King ( 40 points )	Receive 20 titles.
Trial Clear ( 5 points )	Clear Trial Battle Mode.
Trial Master ( 40 points )	Clear Trial Battle Mode on "Extreme" Difficulty.
Winner ( 5 points )	Win an online battle.