Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Bravely Bold ( 5 points )	Finish one online match.
Destroyer ( 15 points )	Destroy 1000 enemy units.
Explorer ( 15 points )	Collect every secret token.
General ( 30 points )	Complete the Advanced Campaign.
Officer ( 20 points )	Complete the Standard Campaign.
Perfectionist ( 40 points )	Get 5 stars in every category on all Standard Campaign missions.
Scholar ( 5 points )	Finish Training.
Supreme ( 25 points )	Get the good ending in the Advanced Campaign.
Survivor ( 5 points )	Win any campaign mission without casualties.
Tank Commander ( 10 points )	Own 10 heavy tanks at the same time.
Warrior ( 15 points )	Finish all Battlemaps.
Winner ( 15 points )	Win 50 missions.