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