Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
..to get the job done	Achieve a 100% hit rate on a single Chapter.	50
Back to the Old School	Chapter 13: 'Let me take control' complete.	25
Doggfather	S Grade in all Story or Single Battle Chapters.	50
Finish Him!	Chapter 18: 'Going to the Top' complete.	25
For the Gs	Score 1,000,000 points on a Story or Single Battle chapter.	25
From the cold hearted streets	Chapter 2: 'Stay Focused Young Homie' complete.	25
Kick, punch, all in the mind	All Temple chapters completed.	25
Nothin' to it but to do it	Get an S Grade in all Challenges.	50
Puff puff passed!	Get a C Grade in any Challenge.	25
That's wassup	S Grade in any Story or Single Battle Chapter.	25
The Hard Way	Story completed on Hard difficulty.	50
The Way	Story Completed.	25