Kill a librarian.
Exchange 500 Military-Grade 5.45 rounds at Exchange kiosks.
Get 30 kills with Hellbreath.
Kill 10 Spiders.
Save 1000 military-grade rounds.
Knock 30 human enemies out in close combat.
Wipe your Gas Mask 20 times.
Find the truth.
Kill 30 enemies with throwing knives.
Kill 30 enemies with a flamethrower.
Kill 5 amoebas.
Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.
Kill 200 Mutants.
Kill 50 Watchmen.
Kill 2 demons.
On the level DEPOT silently kill the first guard and break into the Fascist station unnoticed.
Kill 100 nosalises.
Make 30 deals in weapon shops.
On the level OUTPOST reach the radio tower and broadcast the commander's message.
Kill 100 Human Enemies.
Spend 60 seconds in a Radiation Hotspot.
Open 15 locked safe boxes.
Kill 100 enemies using revolvers.
On the level FRONTLINE kill all of the enemy Red Army and Fascist Soldiers.
Kill 100 enemies with assault rifles.
Kill 15 human enemies with Headshots from at least 30 meters' distance.
Kill 30 enemies with flame grenades.
Complete all 51 of Artyom's hidden Diary pages.
Save a group of Reds from Fascist captivity.
Find all Ranger stashes in Dead City.
Kill 20 lurkers.
Stealthily kill 15 Enemies.
Kill 10 Enemies in a row without taking any damage.
Explode 30 enemies.
Kill 50 humans with pneumatic weapons.
Disarm 15 wire traps.
Blow up the tunnel and airlock at CURSED STATION.
Kill 30 human enemies with headshots.
Complete the level BLACK STATION without killing or knocking out any enemies.
Kill 100 enemies with shotguns.
On the level HUNTER kill the nosalises before they break through the ventilation grilles.
Complete the game in Spartan Mode.
Become a true ranger.
Kill at least one enemy with each weapon available in the game
Kill 30 human enemies in close combat.
Drink at every occasion.
Complete FRONTLINE level without killing anyone.
Complete the game in Survival Mode.
Use a Medkit 75 times.