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