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