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