Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
100% Old Skool	Collect 100% of Pripp's artifact wishlist.	100
20 Seconds to comply...	Destroy a MIMIR Z600.	25
50 Shades of death	Kill Grey-One.	25
50% Old Skool	Collect 50% of Pripp's artifact wishlist.	25
And stay down!	Knock down ten enemies using 'Hog Rush'.	15
Anti-Mechanic	Decommission ten 'Mechanical' men.	10
Bormin smash!	Kill an enemy by knocking them off a high place.	10
Butterfingers!	Kill an enemy by making the Pyro drop his Molotov.	10
Demo thing	Reprogram the Ghouls' MIMIR Z600.	10
Extraction	Rescue Hammon from the Nova cult.	50
Fitness club	Free the slaves from Lux's basement.	15
Freak out!	Unlock all Mutations in each character's skill tree.	100
Frying tonight!	Kill ten enemies using 'Chain Lightning'.	15
Get back to the Ark!	Return to the Ark!	10
Green fingers	Trap ten enemies using 'Tree Hugger'.	15
Huntress	Meet Selma and convice her to join your crew.	15
Lights out!	Dish out some 'Zone-style' punishment to Lux.	25
Matriarch	Put an end to Plutonia's plans.	25
My bad	Kill your teammate.	10
Not a myth	Reach Eden.	100
Not-so-tactical nuke	Destroy a MIMIR Z800.	25
Om nom nom!	Use 'Corpse Eater' to interrupt a ressurecting enemy.	10
Pfft! Too easy!	Reach Eden in 'IRON MUTANT' mode (Any difficulty).	25
QA have suffered!	Reach Eden in 'IRON MUTANT' mode on VERY HARD without losing a crew member.	100
Sent to the farm	Put five Zone Dogs 'to sleep'.	10
Still too easy!!!	Reach Eden in 'IRON MUTANT' mode on VERY HARD.	50
Survivor	Meet Farrow and convince her to join your crew.	15
Take out the Zone trash!	Kill 40 Ghouls.	10
Tastes like chicken	Use 'Corpse Eater' to eat a teammate.	10
Tea leaf	Steal something from Roboshack.	10
The power of flesh	Possess ten enemies with 'Puppeteer'.	15
Thoughtful warrior	Rescue Magnus from the Nova cultists.	15
Unfriended	Taunt a teammate who is under mind control.	10
Unnaturally successful	Finish a combat encounter by using mutations only.	10
Weapon smith	Improve five upgradable weapons to level III.	75
Zone master	Obtain all achievements!	0