Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Blue Sky ( 60 points )	Unlock the last ending.
CG Complete ( 100 points )	CG Complete.
Chapter 1 - Eyes in Eyes ( 5 points )	Clear the first chapter.
Chapter 2 - Click Me ( 10 points )	Clear the second chapter.
Chapter 3 - General ( 10 points )	Clear the third chapter.
Chapter 4 - Di-Sword ( 10 points )	Clear the fourth chapter.
Chapter 5 - Paranoia ( 10 points )	Clear the fifth chapter.
Chapter 6 - Noah ( 10 points )	Clear the sixth chapter.
Chapter 7 - Psychopath ( 10 points )	Clear the seventh chapter.
Chapter 8 - LR2 ( 10 points )	Clear the eighth chapter.
Chapter 9 - Giga-Lo-Maniac ( 10 points )	Clear the ninth chapter.
Crying Sky ( 60 points )	Unlock ending B.
Daydream ( 50 points )	Unlock the ending of seven seas.
Deus Ex Machina ( 50 points )	Unlock the ending of Sena.
Ending Complete ( 100 points )	Get all the endings.
Prologue ( 5 points )	The prologue was cleared.
Silent Sky ( 10 points )	Unlock ending A.