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