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