Here is the full list of all 40 Mercenaries 2: World in Flames achievements worth 1,000 gamerscore.
You sniped 50 enemy vehicle drivers.
You verified all high value targets.
You captured all high value targets.
You completed Mercenaries 2.
You unlocked all shop items.
You battled for Caracas.
You unlocked all landing zones.
You pissed off everyone in Venezuela.
You earned $1 billion.
You used 20 airstrikes in co-op.
You achieved maximum Chinese mood.
You destroyed 200 objects from the gunner seat in co-op.
You came in first during a co-op race.
You achieved maximum mood with the Allies.
You verified Carmona.
You achieved maximum Pirate mood.
You verified Blanco.
You mastered the Winching Challenge.
You completed three races.
You achieved maximum P.L.A.V. mood.
You successfully completed 10 action hijacks.
You captured all outposts for a single faction.
You played with a Mercenaries 2 developer or a player who already had this Achievement.
You experienced co-op.
You destroyed 50 objects with an RPG launcher.
You destroyed 50 objects with a grenade.
You recruited Misha.
You destroyed 20 buildings.
You destroyed 50 objects using melee.
You recruited Eva.
You earned $1 million.
You recruited Ewan.
You achieved maximum Universal Petroleum mood.
You got 25 headshots.
You completed one of Fiona's challenges.
You acquired the PMC.
You hijacked the tank in the villa.
You performed a burnout.
You completed "Rescue Carmona."
You completed the tutorial.