Here is the full list of all 48 Metro 2033 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete the game in Ranger Mode Hardcore.
Complete the level 'Black Station' without killing any Fascist Soldiers.
Complete 'Frontline' level without killing anyone.
Complete the game in Ranger Mode Easy.
Kill at least one enemy with each weapon available in the game.
Break the support and activate the chandelier in less than 20 seconds.
Kill 10 enemies with throwing knives.
On the level 'Outpost' reach the radio tower and broadcast the commander's message.
There is no place in metro you did not visit
Kill 30 enemies with the double-barreled shotgun.
Kill 50 mutants with your knife.
Kill 15 enemies using sticky grenade.
On the level 'Frontline' kill all of the enemy Red Army and Fascist Soldiers.
Kill 30 humans with only pneumatic weapons.
Found all gold ammo, hidden throughout the stations.
Complete level 'Armory' without getting caught.
Kill 30 enemies using pneumatic weapons.
Find all Ranger stashes in Dead City 1 and 2
On the level 'Hunter' kill the nosalises before they break through the ventilation grilles.
Kill 50 enemies with heavy automatic shotgun.
Kill 5 amoebas.
Kill 5 enemies with a flamethrower.
Kill a librarian.
Explode 10 enemies.
Make 25 headshots.
Make 10 deals in weapon shops.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
Kill 20 lurkers.
Kill 20 enemies with the knife.
Save 500 military-grade rounds.
Disarm 10 wire traps.
On the level 'Depot' silently kill the first guard and break into the Fascist station unnoticed.
Destroy fascists' Panzer.
Kill 15 enemies using stationary machine gun.
Get 25 kills with alternative fire of Volt Driver.
Save a group of 'Reds' from Fascist captivity.
Blow up the tunnel and airlock at 'Cursed' station.
Complete levels 'Ghosts' and 'Anomaly' without dying.
Kill 30 enemies using revolvers.
Kill 2 demons.
Get 50 kills with Volt Driver.
A true metro citizen. You know everyone and have seen everything.
Kill 30 nosalises.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
A coin for a hungry kid? Get a job.
What doesn't kill you, makes you stronger.