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.
Kill at least one enemy with each weapon available in the game.
There is no place in metro you did not visit
Disarm 10 wire traps.
Kill 15 enemies using sticky grenade.
On the level 'Frontline' kill all of the enemy Red Army and Fascist Soldiers.
Kill 50 enemies with heavy automatic shotgun.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
On the level 'Depot' silently kill the first guard and break into the Fascist station unnoticed.
Save a group of 'Reds' from Fascist captivity.
Kill 30 humans with only pneumatic weapons.
Kill 15 enemies using stationary machine gun.
Make 25 headshots.
Explode 10 enemies.
Kill 30 enemies with the double-barreled shotgun.
Get 25 kills with alternative fire of Volt Driver.
Kill 30 enemies using pneumatic weapons.
Complete the game in Ranger Mode Hardcore.
Kill 5 amoebas.
Save 500 military-grade rounds.
Get 50 kills with Volt Driver.
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 20 lurkers.
Kill 30 enemies using revolvers.
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.
Kill 50 mutants with your knife.
Complete levels 'Ghosts' and 'Anomaly' without dying.
Kill 2 demons.
Find all Ranger stashes in Dead City 1 and 2
Make 10 deals in weapon shops.
Kill 10 enemies with throwing knives.
A coin for a hungry kid? Get a job.
Complete level 'Armory' without getting caught.
Kill 20 enemies with the knife.
Kill 30 nosalises.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
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.
What doesn't kill you, makes you stronger.