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