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