Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Always Our Goal	Complete a non-tutorial mission without casualties.
Applied Learning	Unlock the SPAS-12.
Bring Order to Chaos	Complete all missions.
Challenges Accepted	Complete all challenges.
Detective Vendrell	Unlock the Grenade.
Fast Learner	Unlock the Difficulty modifier.
Filtered	Unlock the Smoke Grenade.
Full Arsenal	Unlock all equipment.
Game Night	Recover all collectibles.
Going Dark	Cut the power.
Gold Standard	Complete all missions without casualties.
InVader	Unlock the Gas Mask.
Just Encase	Unlock the Heavy Armor.
Just In Case	Unlock the Medium Armor.
Knock Knock	Unlock the Door Ram.
Less Lethal OP-Ball	Unlock the Less Lethal OC-Ball.
Little Ditty	Unlock the Music modifier.
Mr. Anderson	Unlock the Ballistic Shield.
No Pressure	Unlock the Thermal Vision Goggles.
Security Flaw	Unlock the Lure.
Teacher's Pet	Unlock the Ammunition Bag.
To Your Taste	Unlock all modifiers.
Tunnel Vision	Complete an Arcade mission with the Cone FOV.
Voyeur	Unlock the Night Vision Goggles.
Wall Burrow	Unlock the TRR8.