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