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