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