Here is the full list of all 49 Metro 2033 Redux (Windows) achievements worth 1,000 gamerscore.
Blew up the tunnel and airlock at CURSED STATION.
Saved 1000 military-grade rounds.
Killed 100 enemies with shotguns.
Knocked 30 human enemies out in close combat.
Exploded 30 enemies.
Used a Medkit 75 times.
Killed 30 enemies with flame grenades.
Found all Ranger stashes in Dead City.
Killed 2 demons.
Spent 60 seconds in a Radiation Hotspot.
Killed 50 humans with pneumatic weapons.
Killed 30 enemies with throwing knives.
Killed 15 human enemies with Headshots from at least 30 meters' distance.
Killed 100 enemies using revolvers.
Stealthily killed 15 Enemies.
Opened 15 locked safe boxes.
Killed 100 Human Enemies.
Killed 100 enemies with assault rifles.
Killed 30 human enemies with headshots.
Killed 20 lurkers.
Kill 10 Enemies in a row without taking any damage.
Help the poor, a coin for the kid, medicine for the sick. You helped everyone you saw.
On the level HUNTER killed the nosalises before they break through the ventilation grilles.
Wiped the Gas Mask 20 times.
On the level OUTPOST reach the radio tower and broadcast the commander's message.
Find the truth.
Kill a librarian.
On the level FRONTLINE kill all of the enemy Red Army and Fascist Soldiers.
Kill 200 Mutants.
Complete FRONTLINE level without killing anyone.
Drink at every occasion.
Complete the level BLACK STATION without killing or knocking out any enemies.
Make 30 deals in weapon shops.
Kill 100 nosalises.
Kill 5 amoebas.
Complete all 51 of Artyom's hidden Diary pages.
Kill 30 enemies with a flamethrower.
On the level DEPOT silently kill the first guard and break into the Fascist station unnoticed.
Save a group of Reds from Fascist captivity.
Get 30 kills with Hellbreath.
Kill 30 human enemies in close combat.
Disarm 15 wire traps.
Complete the game in Spartan Mode.
Kill 10 Spiders.
Complete the game in Survival Mode.
Become a true ranger.
Kill 50 Watchmen.
Kill at least one enemy with each weapon available in the game.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.