Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
1 Document	Collect 1 Document.	15
10 Documents	Collect 10 Documents.	30
15 Documents	Collect 15 Documents.	30
2 Documents	Collect 2 Documents.	15
20 Documents	Collect 20 Documents.	30
25 Documents	Collect 25 Documents.	30
3 Documents	Collect 3 Documents.	15
30 Documents	Collect 30 Documents.	30
35 Documents	Collect 35 Documents.	30
4 Documents	Collect 4 Documents.	15
40 Documents	Collect 40 Documents.	30
45 Documents	Collect 45 Documents.	90
5 Documents	Collect 5 Documents.	15
6 Documents	Collect 6 Documents.	15
7 Documents	Collect 7 Documents.	15
8 Documents	Collect 8 Documents.	30
9 Documents	Collect 9 Documents.	30
Break Through the Nightmare	Complete Nightmare Difficulty.	90
Don't Ignore Others	Ignore Chuck Repeatedly Until He Gets Angry.	90
Good Night... Alice	Reach the Game Ending.	90
Hidden Path	Find a Hidden Path in the Underground Area.	90
Please Be Polite	Keep Pushing Mr. Chair Until He Gets Angry.	90
Survival Expert	Finish the Game with an S Rank.	85