Here is the full list of all 49 Metro 2033 Redux achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Find the truth.
Drink at every occasion.
Find all Ranger stashes in Dead City.
Kill 15 human enemies with Headshots from at least 30 meters' distance.
Complete all 51 of Artyom's hidden Diary pages.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
Spend 60 seconds in a Radiation Hotspot.
Kill at least one enemy with each weapon available in the game
Explode 30 enemies.
Kill 30 enemies with flame grenades.
Use a Medkit 75 times.
Kill 30 enemies with throwing knives.
Open 15 locked safe boxes.
Kill 10 Spiders.
Knock 30 human enemies out in close combat.
Kill 30 human enemies in close combat.
On the level HUNTER kill the nosalises before they break through the ventilation grilles.
On the level DEPOT silently kill the first guard and break into the Fascist station unnoticed.
Make 30 deals in weapon shops.
Complete the level BLACK STATION without killing or knocking out any enemies.
Complete FRONTLINE level without killing anyone.
On the level FRONTLINE kill all of the enemy Red Army and Fascist Soldiers.
Complete the game in Survival Mode.
Get 30 kills with Hellbreath.
Kill 30 enemies with a flamethrower.
Kill 2 demons.
Disarm 15 wire traps.
Kill 50 humans with pneumatic weapons.
On the level OUTPOST reach the radio tower and broadcast the commander's message.
Kill 100 enemies using revolvers.
Save 1000 military-grade rounds.
Wipe your Gas Mask 20 times.
Become a true ranger.
Complete the game in Spartan Mode.
Kill 5 amoebas.
Kill a librarian.
Kill 200 Mutants.
Kill 50 Watchmen.
Kill 100 enemies with shotguns.
Stealthily kill 15 Enemies.
Kill 20 lurkers.
Kill 100 nosalises.
Kill 30 human enemies with headshots.
Kill 100 Human Enemies.
Save a group of Reds from Fascist captivity.
Kill 100 enemies with assault rifles.
Blow up the tunnel and airlock at CURSED STATION.
Kill 10 Enemies in a row without taking any damage.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.