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