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 Easy.
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.
Explode 10 enemies.
Found all gold ammo, hidden throughout the stations.
Break the support and activate the chandelier in less than 20 seconds.
Get 25 kills with alternative fire of Volt Driver.
Kill 15 enemies using sticky grenade.
Kill 50 mutants with your knife.
Make 10 deals in weapon shops.
Kill 20 enemies with the knife.
Kill 15 enemies using stationary machine gun.
On the level 'Frontline' kill all of the enemy Red Army and Fascist Soldiers.
Kill 30 humans with only pneumatic weapons.
Kill 30 enemies using pneumatic weapons.
Save a group of 'Reds' from Fascist captivity.
Make 25 headshots.
Kill 10 enemies with throwing knives.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
Save 500 military-grade rounds.
Get 50 kills with Volt Driver.
Kill 5 amoebas.
There is no place in metro you did not visit
Kill 5 enemies with a flamethrower.
Kill a librarian.
Complete the level 'Black Station' without killing any Fascist Soldiers.
On the level 'Outpost' reach the radio tower and broadcast the commander's message.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
Kill 2 demons.
A coin for a hungry kid? Get a job.
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 20 lurkers.
Disarm 10 wire traps.
Kill 30 enemies using revolvers.
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.
Complete levels 'Ghosts' and 'Anomaly' without dying.
Complete level 'Armory' without getting caught.
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.
What doesn't kill you, makes you stronger.