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