Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock	Points
Bloody brainless Spartan!	Spill 100 liters of blood	50
First Blood!	Commit your first assassination	50
Guardian angel	Finish Level DNKTBG	150
Has he lost his mind?	Cut off 5 heads	100
Hasta la vista, baby!	Finish Level T666	200
He can keep on running	Kill the Bad Guy 5 times as he's escaping	50
Nazi Zombiiiiiiiiiiiiiiiiiiies	Finish Level Zombies!	50
Ready to travel?	Get 60 passports	50
Run, Bad Guy. Ruuuun!	Make the Bad Guy run 5000 meters	150
Tough job	Kill a Bodyguard	50
Vigilant	Kill the Bad Guy 25 times	50
What the hell is wrong with you??!!	Put a dog on a catapult	50