Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Beneath the Clouds (50 points)	What lies beyond.
Bone Appetite! (50 points)	How did they get it up there.
Dead End (50 points)	Curiosity is key.
Down goes the Water (50 points)	Don't fight the flow.
Eager for the Truth (75 points)	Collecting the third artefact.
Exploring the Unknown (75 points)	Collecting the first artefact.
Lost in the Dark (50 points)	Another time another opportunity.
Mossy Slumber (50 points)	Resting by the pond.
Opposite Direction (50 points)	Downwards is the new upwards.
Reaching for the Sun (50 points)	Can't compete with the trees.
Searching for Answers (75 points)	Collecting the second artefact.
Second Chance (50 points)	Falling is not an option.
Those in Need (50 points)	Slipping through the cracks.
Unfolding The Mystery (75 points)	Collecting the fourth artefact.
All Together (100 points)	Like a big family.
Timeline Erased (100 points)	It was never meant to happen.