No missable achievements (plus 70 unknown)
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Complete training sequence.
Escape the chasing Nazis on the REICH level without being caught once.
Write 10 of Artyom's hidden Diary pages.
Kill 100 Human Enemies.
Complete the ECHOES level undetected by the Watchmen.
Kill 100 Mutants.
Turn off 40 Lights without breaking them.
Install all possible Customizations for a Weapon.
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.
Finish the ASHES level without taking a hit.
Watch the entire Theater Show.
Stealthily kill 15 Enemies.
Hold the Platform without dying.
Kill all Watchmen before they reach the Railcar.
Kill all the Reds on the THE CHASE level.
See all Visions in the Dead City.
Kill 10 enemies in a row with Throwing Knives.
Break 50 Lights.
Take the Custom Pistol from the Locked Box.
Complete the REVOLUTION level without killing and raising an alarm.
Complete the FACILITY level without killing or raising alarm.
Kill all armed enemies on the REVOLUTION level, including all reinforcements.
Kill more Watchmen than Artyom does.
Complete the SEPARATION level without killing or raising alarm.
Collect 1000 Military Rounds.
Сomplete the ANNA level.
Complete the SNIPER TEAM level.
Complete the game in Ranger Mode.
Complete the PAVEL level.
Kill 20 Nosalises on the KHAN level.
Complete the KHAN level.
Complete the HEAVY SQUAD level.
Complete the SPIDER LAIR level.
Kill 10 enemies with headshots using your sniper rifle.
Make 100 Purchases.
Complete the BRIDGE level without a kill.
Set 2 Enemies on fire at once.
Disarm 10 Traps.
Find the Hidden Ammo in the abandoned part of the station on the QUARANTINE level.
Complete the game in Ranger Hardcore.
Complete the KSHATRIYA level.
Kill a Demon with the Helsing.
Kill at least one Enemy with each Weapon available in the game.
Kill 100 enemies with heavy weapons.
Complete all 43 of Artyom's hidden Diary pages.
Find 30 artifacts.
Find all Equipment Stashes in the swamps.
Complete the game without killing any Humans unless forced to.
Kill 5 Shrimp with Grenades.
Complete the TOWER level.
Сomplete at least one HUGE mission.
Open 8 safe boxes on the PAVEL level.
Complete the SHOOTING RANGE and ARENA.
Kill 20 spiders with your flame thrower.
Use all Musical Instruments in the game.
Spend 3 hours on the DEVELOPER level.