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