Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
A Whole New Wurlde (15 points)	Underwurlde: Play the game for the first time.
All the Time in the Wurlde (15 points)	Underwurlde: Explore the Underwurlde from top to bottom over time.
Back From the Abyss (25 points)	Complete all of the Underwurlde snapshots.
Jump To It (10 points)	Complete an Underwurlde snapshot.
No Pushover (15 points)	Underwurlde: defeat 1000 enemies over time.
One out of Three Ain't Bad (15 points)	Underwurlde: Escape from the Underwurlde
Unfiended (15 points)	Underwurlde: Over time, defeat all of the Underwurlde Guardians.