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