Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Adept ( 30 points )	Earn a G rank in every chapter at the EASY difficulty level.
Angels ( 15 points )	Finish all chapters at the EASY difficulty level.
Benevolent Missionary ( 15 points )	Defeat more than 500 enemies.
Benevolent Savior ( 30 points )	Defeat more than 1000 enemies.
Conqueror ( 90 points )	Earn a G rank in every chapter at the HARD difficulty level.
Dominions ( 30 points )	Finish all chapters at the HARD difficulty level.
I'll take the best you have ( 15 points )	Take every weapons from all of the enemies and finish Chapter 10.
Living Miracle ( 30 points )	Finish all chapters without a single Game Over.
Lord of the Metatron ( 0 points )	Earn all of the Achievements.
Principalities ( 15 points )	Finish all chapters at the NORMAL difficulty level.
Seraphim ( 90 points )	Finish all chapters at the EXTRA difficulty level.
Time In The Spotlight ( 15 points )	Defeat 50 enemies during Armaros show.