Complete the indicated task to unlock the achievement.

Achievement	How to unlock
..Loved	Completed Level: Horizon HQ.
50 shades of burnt	Destroy 1000 cultist books.
Average Weapons Enjoyer	Acquire all weapon parts.
Average Weapons Fan	Use a weapon bench to customize a weapon for the first time.
Backfired	Shoot an enemy's thrown grenade, killing him with it.
Big Brain	Collect all intel docs.
CVI	Cycle 106 comes to an end.
CV	Collect the Syndicate coin "CV".
Complexity	Complete Level: Gunnarson Complex.
Cost Effective	Kill three enemies with one grenade.
Dark Secrets	Complete Level: Site 32.
Dry Party	Destroy 100 beer/wine bottles.
Efficient	Use every bullet in a pistol magazine to get headshot kills.
Emersus	Eviscerate Dr. Emerson's corpse.
Erase Your Light	Escape from Site 14.
Flashlight!	Alert an enemy by shining a flashlight from behind, shoot him before he turns around.
How's That Helmet Working?	Kill an enemy by shooting through his helmet with a DMR.
IT Specialist	Complete Level: Iron Dragon Data Center.
JuggerNOT	Kill a heavy soldier.
LXXVIII	Kill the Horizon CEO.
Lost and Found	Complete Level: Crash Site.
Not So Hard	Complete all campaign and side missions on Hard difficulty or higher.
Oh Snap!	Execute your first hostage.
Oil Spill	Complete Level: Oil Rig.
One Last Mission	106 is reborn.
Pest Control	Kill the Mothman.
Slide Into Your DMs	Slide into an enemy and grab him while he's ragdolled.
Smol Brain	Collect 50% of all intel docs.
Solid 106	Stealth kill an entire squad without anyone becoming alerted.
Spelunker	Complete Level: Kellington Colliery.
Stick Around	Kill an enemy with a tomahawk.
Stylish	Grab an enemy, throw and kill him with a headshot.
Subject 106	Complete all campaign and side missions on Extreme difficulty or higher.
Supersoldier	Complete all campaign and side missions on Very Hard difficulty or higher.
TREPANG2	Break The Cycle.
Take Your Flight	Complete Level: Pandora Institute.
That Was a Close One!	Kill an enemy with a headshot on final bullet in the mag.
The Truth	Let the world know.
Think Fast!	Kill an enemy with a flashbang impact.
To A Place Where You Will Be Remembered	Complete Level: Jorvik Castle.
To A Place Where You Will Be...	Complete Level: Site 83.
TrePayne	Acquire the dual wield serum.
Trepangus	Throw an enemy into the vent in the first combat encounter in Site 14.
Unbreakable Will	Complete all campaign and side missions on Rage Mode difficulty.
XCI	Kill the Patriarch.
XCV	Collect the Syndicate coin "XCV".
You Monster!	Throw a TF27 soldier into the helicopter blades in Site 14.
You're Paying For Their F***ing Surgery!	Kill all TF27 soldiers in Site 14.
You're a Firework!	Shoot an enemy while he's thrown as a hostage grenade, detonating his grenade.