| Achievement | How to unlock
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| ?th Blood | Kill 200 zombies.
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| Ammo Craftsman | Craft ammo.
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| Ammo Expert | Craft ammo fifteen times.
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| Ammo Master | Craft ammo fourty times.
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| Arsenal Depot-III | Hoard 50 heavy pistol ammo.
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| Arsenal Depot-II | Hoard 300 submachine gun ammo.
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| Arsenal Depot-IV | Hoard 50 shotgun ammo.
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| Arsenal Depot-I | Hoard hundred pistol ammo.
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| Balefire | Obtain Balefire-I Shotgun.
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| Blood Everywhere | Kill 350 zombies.
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| Breeze | Obtain Breeze-I Pistol.
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| Cartographer | Unlock all maps.
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| Cease the Wind | Destroy underground ventilation fan.
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| Clean and Clear | Clean the Europa-II virus out of your body.
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| Dog Slayer | Kill eight Sprinters.
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| Down the Wall | Destroy the wall that leads to the roof.
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| Drug Abuse | Use thirty medicines.
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| Duds-II | Hoard twenty Electric Grenade.
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| Duds-I | Hoard twenty Fire Grenades.
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| Easy Breezy | Kill 100 enemies with pistols.
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| Electric Shock | Use thirty Electric Grenades.
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| Electrician | Use Electric Grenade to activate all small generators.
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| End of Torment | Defeat Tormentor in the hidden attic.
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| Field Trip | Finish the game on Casual difficulty.
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| Fire Lord | Use thirty Fire Grenades.
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| Fire and Growl | Defeat the demon from the dark torso.
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| Firearm Enthusiast | Collect four gun mods.
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| Firearm Master | Collect all nine gun mods.
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| First Blood | Kill your first zombie.
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| First Secret | Five times or six times?
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| Fountain Shadow in the Cemetery | Cast what is seen here to the world, and the missing secret will be revealed.
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| Goddess Guides the Way-III | Hell hath slowly opens its gate.
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| Goddess Guides the Way-II | The ray of death blasts on the gate of destiny.
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| Goddess Guides the Way-I | Goddess of fire sets down.
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| Godspeed | Finish the game on Expert difficulty within two hours.
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| Grand Escape | Got the key? Now run!
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| Grave Digger | Dig four graves.
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| Gun and Roar | Defeat the demon from the white torso.
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| Harvest Tomb | Plant a green seed.
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| Head and Shoulder | Disguise yourself as a member of the Retrieval Team.
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| Heavy Strom | Kill 50 enemies with submachine guns.
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| Herb Expert | Mix herbs five times.
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| Herb Introduction | Mix herbs.
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| Herb Master | Mix herbs ten times.
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| Herbicider | Kill the giant root in front of the Botany Lab.
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| Hey, don't push me | Push zombie five times.
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| Hidden and Mighty-II | Obtain Meteorite-II Heavy Pistol.
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| Hidden and Mighty-I | Obtain Balefire-II Shotgun.
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| Hundredth Blood | Kill 100 zombies.
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| Ikebana | Use fake flowers twice.
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| It Came From the Underground-III | And stay down... Please.
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| It Came From the Underground-II | A nasty encore.
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| It Came From the Underground-I | Whoa, what is its problem?
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| Leave me alone, you maniac | Push zombie thirty times.
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| Like Wind | Finish the game on Normal difficulty within two hours.
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| Loud and Clear | Destroy three signal jammers
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| Master Sniper | Execute 30 headshots.
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| Meteorite | Obtain Meteorite-I Heavy Pistol.
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| Midnight Waltz | Finish the game on Expert difficulty.
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| New Look | Put on Security Uniform.
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| Oh, so that happened-II | Unlock all diaries and documents.
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| Oh, so that happened-I | Unlock twenty diaries and documents.
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| Oil Drum Exterminator | They all must explode.
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| Palette Expert | Use the rail gun to shatter the huge exoskeleton in the Gun Lab.
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| Phantom of the Breakout | Finish the game on Normal difficulty.
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| Powder Blender | Mix gunpowder.
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| Powder Expert | Mix gunpowder eight times.
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| Powder Master | Mix gunpowder fifteen times.
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| RIP | Release the trapped soul with your weapon.
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| Raging Fire | Kill 50 enemies with shotguns.
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| Sharpshooter in the shooting range | Shoot down the third target in the shooting range.
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| Sniper God | Execute 90 headshots.
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| Sniper King | Execute 60 headshots.
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| Sniper | Execute 10 headshots.
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| Stop that | Push zombie fifteen times.
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| Storm | Obtain Storm-I Submachine Gun.
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| The Beginning of a Duo | Escape through the underground tunnel with Kay.
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| The End of a Lone Wolf | Escape through the helicopter from the roof.
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| The Researching Inferno | Put out two fires.
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| The Seer | Finish the game without using any gold plate or projector slide.
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| The Speaker | The sight of a podium makes your throat inches.
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| Titan Slayer | It is strong, but you got the skill.
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| Trading 101 | Trade ammo with an NPC.
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| Trading Expert | Trade ammo with NPC ten times.
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| Trading Master | Trade ammo with NPC 25 times.
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| Treasure Hunter | Find and open all special force supply caches.
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| Unblockable | Unlock the last small key room.
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| What about Kay?-III | Give the Prison Guard Key to Kay.
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| What about Kay?-II | Read Kay's diary.
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| What about Kay?-I | Return Kay's camera.
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