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