Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
COLLECTOR	Gather all the secret suitcases.	100
CRASH	Survive the accident.	20
DELIVERY	Insert the battery into the generator.	70
HORRORS	Defeat otherworld's creature.	70
INSIDE	Enter the secret facility.	100
LONER	Enter the abandoned trailer.	40
MEATY	Watch the forbidden video cassette...	100
OBSERVER	"Observed" to the end.	100
PAPARAZZI	Use the journalist's camera.	70
SUPREME	complete the game less than in thirty minutes and collect all the suitcases in one run.	120
SURVIVOR	Finish the game.	110
UNDER WORLD	Get caught and be banished to the otherworld.	100