Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Death Park	Enter the Death Park Level.	100
Downstairs	Enter the lower level of the house.	100
The Army Base	Enter the Army Base.	100
The Cemetery	Enter the graveyard.	100
The Hospital	Enter the first level of the hospital.	100
The Prologue	Start the first level.	100
The Sewers	Enter the Sewers.	100
Town Part III	Enter the third town area.	100
Town Part II	Enter the second town area.	100
Town Part I	Enter the first town area.	100