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