Complete the following achievements to collect their Xbox Live Gamerscore points.

Achievement	How to unlock
#Winning (10 points)	Earn a team citation.
Accessorize (10 points)	Add an attachment to a weapon.
Adaptive warfare (50 points)	Get a kill with every weapon and modification.
Can't stop the signal (20 points)	Activate 20 HAM radios.
Conqueror (10 points)	Capture all KPA Strongholds.
Cooking up a storm (10 points)	Manufacture a GTK item.
Danger Zone! (10 points)	Create a character for co-op play.
Dear diary... (10 points)	Collect 10 Journals.
E Pluribus Unum (20 points)	Earn 20 team citations.
Everyone fights, no one quits (10 points)	Revive 10 downed teammates over any number of matches.
First-Strike (10 points)	Capture a Strike Point.
Fyre Starter (10 points)	Set a KPA on fire by shooting a gas vent.
Guerrilla Master (30 points)	Deploy every type of GTK item at least once.
Home of the brave (100 points)	Finish the single player campaign on Hard difficulty.
Inside Job (10 points)	Infiltrate a KPA Stronghold and deactivate the valve without being detected.
It's a trap! (30 points)	Kill 10 KPA using Resistance traps.
Jobsworth (20 points)	Complete all Jobs.
King David (50 points)	Destroy a Goliath.
Land of the free (20 points)	Finish the single player campaign on any difficulty.
Mayhem 101 (10 points)	Purchase a skill.
Minuteman (20 points)	Earn 10 mission citations.
Oh a piece of candy! (50 points)	Distract 30 KPA from their guard posts in yellow zone without being detected.
Part-timer (10 points)	Complete 5 Jobs.
Peace in our time (20 points)	Successfully complete a co-op mission on normal difficulty.
Peace of cake (10 points)	Successfully complete a co-op mission on easy difficulty.
Peace your pants (30 points)	Successfully complete a co-op mission on hard difficulty.
Phased plasma rifle in a 40 watt range (20 points)	Upgrade a weapon to its maximum level.
Practical Mayhem (10 points)	Deploy an active skill in a mission, and have at least one other player use the results.
Professor Mayhem (50 points)	Purchase 4 different active skills across any number of co-op characters.
Riding High (10 points)	Drive the motorbike 50 meters above sea level.
Robin Hood (20 points)	Kill a KPA soldier with a crossbow bolt from over 50 meters away.
Son of Liberty (10 points)	Earn 20 individual citations.
Star of the show (30 points)	Remain in the searchlight of a KPA Airship for 2 minutes without dying.
Striking Back (20 points)	Capture 30 Strike Points.
The bigger they are... (20 points)	Kill 20 heavies.
There are many like it, but this one is mine (10 points)	Convert a weapon.
This is our town, Nork (10 points)	Capture all Strike Points.