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