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