Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Alliance ( 10 points )	None of the escorting Brazilian soldiers die in mission Urban Nightmare.
Amateur Archeologist ( 25 points )	Complete mission Ruins of Amazonia without damaging the dig site.
Anti-sniper ( 15 points )	Kill the sniper in mission Urban Nightmare before he notices you. Veteran difficulty required.
Bombastic ( 10 points )	Blow up at least 5 vehicles in mission Wet Dusk.
Bounty Hunter ( 10 points )	Deliver 50 lethal headshots.
Buddy Tag ( 20 points )	Successfully complete a mission in cooperative mode.
Bullet Magnet ( 0 points )	One of your squad members has been incapacitated more than 11 times.
Cannon Fodder ( 25 points )	No one got incapacitated at the grenade trap in Morning Coffee. Regular difficulty required.
Clay Jungle ( 25 points )	Complete the mission Urban Nightmare in the single player campaign.
Clean Sweep ( 40 points )	Complete any of the missions without using any skill ammo.
Cleaner ( 10 points )	Kill all enemies at the plantation in mission Morning Coffee.
Coffee Break ( 25 points )	Complete the mission Morning Coffee in the single player campaign.
Elite Hunter ( 10 points )	Kill 5 of the base's elite defender soldiers in mission Revenge.
Exotic Parts ( 30 points )	Kill 20 enemy soldiers by explosions.
Experienced Commander ( 45 points )	Complete 5 missions in veteran difficulty.
Expert Charger ( 10 points )	Get through the ruins in Shattered Hopes before the militia catches up. Veteran difficulty required.
Faithful Companion ( 100 points )	Successfully complete all missions in the cooperative multi-player campaign on any difficulty.
Initiation ( 15 points )	Complete the Prologue.
Jeep Killer ( 5 points )	Use your first rocket to kill the jeep in mission Touchdown. Regular difficulty required.
Joint Venture ( 25 points )	Complete the mission Revenge in the single player campaign.
Kill the Source ( 5 points )	Destroy all 3 enemy troop carriers in mission Ferry of Styx.
King of the Hill ( 5 points )	Complete the village defense objective without leaving the village square in the Prologue.
King of the Labyrinth ( 10 points )	Kill Rodriguez in mission Morning Coffee.
Living Thunderbolt ( 15 points )	Successfully use the Flash grenade skill 10 times.
Merciless ( 5 points )	Kill all fleeing enemies after you defended the village in the Prologue.
No Way Back ( 25 points )	Complete the mission Shattered Hopes in the single player campaign.
Perfect Soldier ( 35 points )	The elite guards of Juarez can't incapacitate any of your squad members in mission Boys Meet Girl.
Prison Break ( 25 points )	Complete the mission Alliances in the single player campaign.
Protector ( 20 points )	No one got incapacitated at the clearing defense in Village Attack. Veteran difficulty required.
Reunion ( 5 points )	Reunite the squads in mission Touchdown.
Rock Solid ( 20 points )	Keep the enemy away from the civilians in mission Alliances. Veteran difficulty required.
Safe SAM Stroll ( 20 points )	Get to the SAM site without getting incapacitated after Point Alpha in mission Touchdown.
Skilled Tactician ( 10 points )	Acquire the machinegun nest in mission Shattered Hopes and kill 5 enemy soldiers with it.
Stealth Approach ( 30 points )	Get to the gates without being detected in mission Alliances.
Superior Marksman ( 10 points )	Deliver a headshot in FPS mode from over 75 meters.
Supervisor ( 40 points )	No enemy soldiers get to the workers in mission Ruins of Amazonia. Veteran difficulty required.
Survivor ( 35 points )	Complete mission Revenge without letting any of your squad members become incapacitated.
Tank Top ( 15 points )	You used the tanker truck to eliminate the defenders at the square in mission Ferry of Styx.
Touchdown ( 25 points )	Complete the mission Touchdown in the single player campaign.
Tough Kid ( 10 points )	No Infiltrator member went down while at the camp in Village Attack. Regular difficulty required.
Trapped ( 25 points )	Complete the mission Wet Dusk in the single player campaign.
Trojan Horse ( 25 points )	Complete the mission Ruins of Amazonia in the single player campaign.
Urban Liberty ( 25 points )	Complete the mission Ferry of Styx in the single player campaign.
Village Cleared ( 25 points )	Complete the mission Village Attack in the single player campaign.
We're Outta Here! ( 60 points )	Complete the single player campaign on any difficulty.
Woodsman ( 20 points )	Complete Wet Dusk without any of your squads becoming incapacitated. Regular difficulty required.