Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Because This Is Not Mathew's Fault (70 points)	Completed Chapter 3.
But You Have Never Helped Her (70 points)	Completed Chapter 2.
Do Not Hesitate to Eat (50 points)	Opened the bar refrigerator in Chapter 3.
Do You Know Everything Now? (100 points)	Collected all memos.
I Want to Play a Game with You (70 points)	Completed Chapter 1.
I Will Always Remember This Day (70 points)	Completed Chapter 4.
I've Always Been Near You (15 points)	Watched a man and a woman on TV.
It is Time to Face Your Mistakes (70 points)	Completed Chapter 5.
Let You Suffer as Much as I have Suffered (70 points)	Completed Chapter 6.
Like My Little Puzzle? (50 points)	Opened all the lockers at the front desk in Chapter 2.
Mathew, What On Earth Have You Done? (50 points)	Used the mechanism to pierce her in Chapter 6.
Maybe I Should Give You a Trophy? (50 points)	Recovered the broken trophy in Chapter 5.
Mother's Favorite Melody (50 points)	Played the correct melody on piano in Chapter 1.
Very Good, You Opened It (50 points)	Opened the coffer in the kitchen in Chapter 4.