Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
A Crappy Way to Die	Kill the enemy in the porta-potty.	20
Backpack Guy	Kill gassed or blinded enemies using a Molotov, Semtex and Frag in 'Prison Break'.	30
Crocodile	Shoot three enemies while underwater in 'Wetwork'.	30
Cutting Heads off Snakes	Finish all Campaign missions on Veteran or Realism difficulty.	100
Daredevil	While affected by one Flashbang, kill two enemies in the Campaign or in Co-op.	20
Don't touch the deck!	In 'Dark Water' advance 90 meters towards the front of the ship without touching the deck.	30
Full SSE	Find 20 intel fragments in Co-op.	40
Gentleman Thief	Open three safes in the Campaign.	60
Ghost-in-Training	Reach the penthouse in 'El Sin Nombre' without killing anyone or triggering the alarm.	60
Going Dark	Complete 'Low Profile' without triggering any alarms.	40
Gunless	Finish 'Alone' without firing a gun.	60
Hellride	Earn three Stars in 'Denied Area'.	40
Keeping this One	Reach Price using the first vehicle you hijack.	30
Kings of the Mountain	Earn three Stars in 'Defender: Mt. Zaya'.	40
Must be Wind	Rescue the hostages in 'Countdown' without the enemies firing their weapons.	60
Nessie	Reach the barge without being seen in 'Wetwork'.	30
Night Fight	Earn three Stars in 'Low Profile'.	40
No Time to Lose	Complete the CCTV sequence in four minutes.	30
Nobody Was There	Never trigger the alarm in 'Recon by Fire'.	30
Only the Beginning	Earn at least one Star in Co-op.	40
Practice Makes Perfect	Shoot all the targets in the training area in 'Ghost Team'.	30
Test Drive	Drive five vehicle types in 'Violence and Timing'.	20
Time for Pints	Finish the Campaign on any difficulty.	100
Wall of Duty	Kill three Enemies with the Riot Shield in the Campaign or in Co-op.	20