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