Here is the full list of all 50 Call of Duty: Modern Warfare Remastered achievements worth 1,000 gamerscore.
Kill 3 enemies in a row with your knife in the single player campaign.
Kill 20 attack dogs with a knife.
Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.
Complete 'Blackout' on Veteran difficulty.
Complete 'Crew Expendable' on Veteran difficulty.
Stab an injured crawling enemy.
Complete the game on any difficulty.
Kill 4 enemies in a row with headshots in the single player campaign.
Corner Zakhaev's Son.
Find 15 enemy intel items.
Kill at least 3 rappelling enemies in a single rope.
Carry Cpt. MacMillan to safety.
Complete 'All Ghillied Up' without alerting any enemies.
Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').
Find Al-Asad's safehouse.
Survive a dog attack.
Kill 20 enemies with explosives in a single level.
Operate an AC-130 gun ship.
Kill 5 enemies with one shot while in the AC-130 gunship.
Kill 2 enemies by blowing up a car in the single player campaign.
Save the farmer.
Protect 'War Pig', the Abrams tank.
Save Pvt. Roycewicz on the stairs.
Kill the power.
Infiltrate a cargo ship.
Complete 'F.N.G.'.
Find 30 enemy intel items.
Complete the cargo ship mockup in less than 19 seconds.
Destroy all the TVs showing Al-Asad's speech.
Sky dive to safety on Veteran difficulty.
Complete the game on Hardened or Veteran difficulty.
Complete 'Charlie Don't Surf' on Veteran difficulty.
Complete 'The Bog' and 'War Pig' on Veteran difficulty.
Complete 'Hunted' and 'Death From Above' on Veteran difficulty.
Complete 'Shock and Awe' on Veteran difficulty.
Complete 'Safehouse' on Veteran difficulty.
Complete 'All Ghillied Up' and 'One Shot, One Kill' on Veteran difficulty.
Complete 'Heat' and 'The Sins of the Father' on Veteran difficulty.
Complete 'Ultimatum', 'All In', and 'No Fighting in the War Room' on Veteran difficulty.
Complete 'Game Over' on Veteran difficulty.
Kill an enemy while blinded by a flashbang in the single player campaign.
Shoot down an enemy helicopter with an RPG in the single player campaign.
Kill Makarov and complete your mission
Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.
Destroy 8 enemy helicopters in 'Heat'.
Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.
Complete any level using only the knife to kill enemies.
Find and use the hidden cache in 'Heat'.
Beat IW best time on the Ship Training course in 'F.N.G.' (15.1 sec).
Alert the enemy helicopter in 'All Ghillied Up' and take it down.