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