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