Here is the full list of all 50 Call of Duty: Modern Warfare 2 Campaign Remastered achievements worth 1,000 gamerscore.
Destroy 10 choppers using the Javelin Launcher in 'Of Their Own Accord'.
Complete every missions without dying or reloading to a checkpoint at any difficulty.
Destroy both BTRs without using Predator Drones in 'Wolverines!'
Complete any mission but 'S.S.D.D.' and 'Endgame' without reloading weapons or using melee attacks.
Ring the red bell in both rooms and survive the attack.
Kill 5 enemies in a row using 5 different weapons or attachments.
Kill 11 enemies using Claymores in 'Loose Ends'.
Kill an enemy with the impact damage from a frag grenade to the head.
Kill 20 enemies in a row while driving a vehicle.
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
Collect 45 enemy intel items.
Do not get your Predator Drone destroyed in 'Contingency'.
Destroy the helicopter using frag grenades in 'The Only Easy Day... Was Yesterday'.
Instruct the Honey Badger to kill 80 enemies in 'Exodus'.
Kill 2 rappelling enemies in a row before they land on their feet.
Kill 7 chickens in under 10 seconds in 'The Hornet's Nest'.
Collect 22 enemy intel items.
Kill 10 enemies in a row using akimbo weapons.
The U.S. Army Rangers ain’t no place for clowns.
Complete the single player campaign on any difficulty.
Complete the single player campaign on Hardened or Veteran difficulty.
Complete 'Just Like Old Times' and 'Endgame' on Veteran difficulty.
Complete the mission in the airplane graveyard.
Complete 'Loose Ends' and 'The Enemy of My Enemy' on Veteran difficulty.
Assault Makarov's safehouse.
Take back Whiskey Hotel.
Complete 'Of Their Own Accord', 'Second Sun', and 'Whiskey Hotel' on Veteran difficulty.
Execute the plan to help the Americans.
Complete 'Contingency' on Veteran difficulty.
Storm the gulag.
Complete 'The Only Easy Day... Was Yesterday' and 'The Gulag' on Veteran difficulty.
Use a Riot shield to beat down an enemy.
Kill 6 enemies in a row using a thermal weapon.
Kill 4 enemies with 4 shots during a slow-mo breach.
Complete 'Wolverines!' and 'Exodus' on Veteran difficulty.
Complete 'Takedown' and 'The Hornet's Nest' on Veteran difficulty.
Defend Burger Town.
Kill at least 10 enemies with one Predator Missile.
Kill 2 enemies with a single bullet.
Find Rojas in the Favelas.
Infiltrate the snowy mountain side base.
Complete 'Cliffhanger' on Veteran difficulty.
Knife an enemy without him ever knowing you were there.
Get hand picked for Shepherd's elite squad.
Complete 'S.S.D.D.' and 'Team Player' on Veteran difficulty.
Kill at least 3 enemies with a single shot from a grenade launcher.
Help train the local militia.
Beat BX time in 'S.S.D.D.'.
Kill Shepherd.
Run The Pit in 'S.S.D.D.' and finish with a final time under 30 seconds.