ChewbiusMaximus

Catch me if you can! Complete one Ignition mode path through the Leaderboards.

Chief Engineer Complete all hacks in any single player mode.

Infectious Successfully complete all System Override hacks in any single player mode.

All your Trace are belong to us Successfully complete all Trace Route hacks in any single player mode.

Planet Cracker Successfully complete all Hardware Cracks in any single player mode.

Ain't got time to bleed! Successfully complete Ignition mode within 25 minutes by any route (excluding movies).

Did anyone survive? Complete Ignition Mode.

Dirty Work Unlock the level 4 engineering RIG.

Laser Burn Successfully complete a Hardware Crack in any single player mode.

Stormed the Core! Successfully complete a System Override hack in any single player mode.

Stop the clock! Successfully complete any hack on the Leaderboards.

Trace Element Successfully complete a Trace Route hack in any single player mode.

The Sacrifice Severed: Complete Chapter 2

The Veteran Severed: Complete on Zealot difficulty

Remember the Alamo Severed: Kill 16 or more enemies in the final last stand combat sequence

Necro Flambé Kill 50 enemies using the Flamethrower

Peng Me Again Severed: Find the Peng treasure in Severed

The Betrayal Severed: Complete Chapter 1

Ship Shape Severed: Take out the gunship within 30 seconds

First Aid Use Quick Heal ten times (single player only)

Romper Stomper Stomp 10 Containers

King of the Hill Severed: Defend the quarry platform until the door unlocks

Grind House Severed: In the grinder room, cause an enemy to die in the grinders

Shoot the Limbs! Dismember 25 Necromorph Limbs (single player only)

You Win You Win, Everything

An Army of Four Beat the game without buying a Squad Size upgrade on Classic or Impossible difficulty

Guardian of Earth Designate a highly decorated soldier as the Volunteer

Mutatis Mutandis Field a squad where all members have at least two modifications (min. 4) and win the mission

Ours are the Furies Complete Furies

Rise of the Machines Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission

By Our Powers Combined Field a squad with 4 augmented soldiers, each with a different base ability and win the mission

Apotheosis Denied Deal with the newest global threat

Where in the World Make certain of the new threat's location

Nice Cover Use Collateral Damage to blow up a car in single player

Solid Prospect Complete Deluge

Steel Martyr Deploy three tactical subsystems on a single soldier in single player

They Shall Not Pass Eliminate all alien waves

Mental Minefield Kill an enemy as it is psionically attacking you in single player

Someone Your Own Size Kill a Muton Berserker in melee combat in single player

All Hands On Deck Get at least 4 kills with XCOM Base Security personnel

The Meld Squad Field a fully enhanced squad and win the mission

Tingling Sensation Kill an unseen enemy detected by a specially modified soldier in single player

Enemy Within Get a Soldier to have 5 modifications in single player

Anger Management Proc Combat Rush on the entire squad (min. 4)

Elite Defense Beat a new special mission without losing any assets

Regenerate This Kill an elite enemy Medic with explosive damage in single player

G'day Kill an elite enemy Sniper with one of your own snipers in single player

Mind the Step Jump two stories in one move in single player

Pain in the Neck Cause an enemy to suicide

Who Needs Limbs? Augment a soldier in single player