Сomplete the ANNA level.
Kill more Watchmen that Artyom does.
Complete the KHAN level.
Kill 20 Nosalises on the KHAN level.
Complete the PAVEL level.
Open 8 safe boxes on the PAVEL level.
Spend 3 hours on the DEVELOPER level.
Complete the SHOOTING RANGE and ARENA.
Complete the SPIDER LAIR level.
Kill 20 spiders with your flame thrower.
Complete the TOWER level.
Сomplete at least one HUGE mission.
Complete the KSHATRIYA level.
Find 30 artifacts.
Kill 100 enemies with heavy weapons.
Complete the ASSAULT INFANTRY level.
Complete the SNIPER TEAM level.
Kill 10 enemies with headshots using your sniper rifle.
Complete the game in Ranger Mode.
Complete the game in Ranger Hardcore.
Complete the game without killing any Humans unless forced to.
Continue playing to unlock this secret achievement.
Use all Musical Instruments in the game.
Disarm 10 Traps.
Find all Equipment Stashes in the swamps.
Kill 5 Shrimp with Grenades.
Set 2 Enemies on fire at once.
Kill all Watchmen before they reach the Railcar.
Complete the REVOLUTION level without killing and raising an alarm.
Take the Custom Pistol from the Locked Box.
Complete the SEPARATION level without killing or raising alarm.
Hold the Platform without dying.
Kill at least one Enemy with each Weapon available in the game.
Complete all 43 of Artyom's hidden Diary pages.
Install all possible Customizations for a Weapon.
See all Visions in the Dead City.
Kill a Demon with the Helsing.
Make 100 Purchases.
Collect 1000 Military Rounds.
Complete the BRIDGE level without a kill.
Kill all the Reds on the THE CHASE level.
Find the Hidden Ammo in the abandoned part of the station on the QUARANTINE level.
Kill 100 Mutants.
Fall in the Swamp 10 times.
Find and return the crying child's Teddy Bear.
Kill 100 Human Enemies.
Rescue the Women and Children on the BANDITS level without raising alarm.
Stealthily kill 15 Enemies.
Make 10 Spiders flip belly-up.
Break 50 Lights.
Kill all armed enemies on the REVOLUTION level, including all reinforcements.
Turn off 40 Lights without breaking them.
Watch the entire Theater Show.
Complete the ECHOES level undetected by the Watchmen.
Write 10 of Artyom's hidden Diary pages.
Complete the FACILITY level without killing or raising alarm.
Kill 10 enemies in a row with Throwing Knives.
Escape the chasing Nazis on the REICH level without being caught once.
Finish the ASHES level without taking a hit.
Complete training sequence.