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