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