Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
A Step into the Dark	Found the first.	80
A freebie	The fourth.	80
Cover this story on its own terms	We're not like the others.	40
Great Scott!	Found the eight.	80
Leap of Faith	The fifth.	80
Not a stairway to heaven	Found the seventh.	80
One step ahead	Found the sixth.	80
That's left	Found the second.	80
That's right	The final.	80
The Upside Down	Snap out of it!	120
Up, up it goes	Found the third.	80
You met me at a very strange time in my life	They're here!	120