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