Melar20

One For Every Occasion During a campaign, unlock every weapons.

El Riesgo Siempre Vive Advance a Gunner to level 10.

Bandage Lover Advance a Medic to level 10.

Where It All Begun Complete Mission 05.

Recouped Investment Have one Sentry kill at least 10 aliens.
10/10

Chalk It Up To Experience Have a marine with at least 2 Prostheses.

Damn Dude, You Gotta Lose Some Weight! Secure an unconscious marine.

Making a Stand Complete Mission 04.

Harper's Hell Complete Mission 03.

Stuff Of Nightmares Save a Marine from being incubated.

This Was No Papercut Save a marine from dying of Bleeding.

First Steps Into Madness Complete Mission 02.

Heavy Steps Lure a Queen into a Mine.

People Person During a campaign, secure 5 survivors.
5/5

Omelette Du Fromage Destroy 4 eggs with one grenade or an RPG shot.

Call Me Snake Kill an enemy before they detect the squad.

Colonial Barrels Kill an enemy by using an explosive barrel.

Something Lurks Under The Hills Complete Mission 01.

Snatched Out Prevent a marine from being Abducted.

The Shrink Hates Me Remove a Trait from a marine.

Use The Bumper, That's What It's For Make the ARC/APC run over an enemy.

Cleaning Lethe, One Nest At A Time During a campaign, kill 100 Xenomorphs.
100/100

Keep 'Em Coming Kill every Alien of a Massive Onslaught.

This Is Hayes, Pioneer Station, Signing Off Finish the Prologue.

The Superior Spawn You answered every challenge of Irid Novo

My old friend Turned off the lights, from the start to the end

Good Spawn Did as asked and ended it peacefully

To the Fringe Reached a more challenging parallel universe

Sentient Vanquished The Sentient

Shattered Mirror Destroyed the prodigal spawn

I'm full of bad ideas! Helped the Architect repaired the Interface

Interface Kept your data and defeated The Interface

Knights Defeated the four Archon Knights

Well of Souls Found and input one of the Five Eyes codes

For your thoughts Found the 66 coins

Galaxy's Child Helped the Old Man

Ashen Born Answered the challenge of Uthos, the Ashen Born

Undisturbed Answered the challenge of Undisturbed Defas Nemundis

Master of Puppets Answered the challenge of Ozyormy Goija, the Master of Puppets

Fear Defeated Fear

The only thing they fear Defeated Fear at full power

The one soul to collect myself Find and equip the white suit

Mad Scientist Defeated the Mad Scientist

Mama Slug Defeated the mother slug

Are you still there? Hack a turret

Apologize you were born in my world Defeated the seven deadly sins

Majesty Defeated her Majesty

Alpha Defeated the Alpha

Serenity Enter the Blue Sun universe

Artillery Defeated the Artillery