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