Tails2010

A True Engineer Construct one of each craftable item

An Outpost of Progress Complete the seventh mission

I Admire its Purity Detect 30 targets with the motion tracker

Seegson Security Bypass Perform 10 successful hacks

Shock to the System Use the stun baton

Caught in the Trap Complete the sixth mission

Retreat From Fire Cause the Alien to retreat using a molotov

How Do You Feel? Complete the fifth mission

Power Games Access 10 different rewire points

You Shouldn't Be There. Complete the fourth mission

Stunned Knock down a human or stun an android with a non-lethal attack

Not a Scratch Escape from android combat without taking damage

Every Bullet Counts Use the revolver

Fault Detected Kill an Android

A Hunt Begins Complete the third mission

A Perfect Organism Encounter the Alien in Sevastopol for the first time

She's in the Vents... Use the vent system 20 times

A Dark Doorway Recover the Psi Gate

Growing Light - Part 1 Complete the main scenario quest "Growing Light."
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Apotheosis Complete Pandæmonium: Anabaseios.

Divine Satisfaction Complete Thaleia.

Second Chance Use Second Chance for the first time.

Atrophy Damage 5 hostiles simultaneously with Dispiritor projectiles.

Prophet Defeat the Overlord of the Shattered Rise.

Break The Cycle Absorb 2021 projectiles using the Shield.
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Approach Vector Dispatch a shielded hostile with a mid-air Melee attack.

Broadside Defeat 5 hostiles with a single Prominence blast.

Relentless Land 50 consecutive shots on hostiles with Rifles.

Come Back Stronger Die for the first time.

Pile 'Em Up Kill 500 aliens. (does not have to be in same game)

Can't Stop the Fighting Perform three offensive actions against the same target with a Skirmisher in a single turn

It Takes Two Form a level 3 bond between two soldiers

Mechlord Hack a Sectopod

Stop Hitting Yourself Kill an enemy with a hacked turret

Cyberlord Earn a second tier hack reward

Fully Operational Resistance Raise XCOM's influence with all three factions to High in a single game

Codebreaker Build the Shadow Chamber

A Rival Silenced Permanently defeat one of the Chosen

Room to Grow Upgrade a facility

Have a Nice Trip Cause an enemy to fall to its death

Bring It Down Sabotage an alien facility

Tinker Build an experimental item in the Proving Grounds

A Grim Key Recover a Codex Brain

With Extreme Prejudice Skulljack an ADVENT Officer

Rebel Radio Build Resistance Comms

A Horrible Truth Recover the Blacksite Data

Born in the Darkness Get four kills from Shadow mode with a Reaper in a single mission

Car Explosion Cause an enemy to die in a car explosion

The First Law Complete the Copied Factory.

Hell Dive Complete an Extreme difficulty mission or higher without anyone dying.