Goldomancer

Control Freak Complete an Interception node and extract with the enemy capturing 40% or less territory.

Cold War Remedy In Classified, retrieve and equip the Project Skadi prototype

It comes after 29 and right before 31 Reach rank 30

Gear Head Purchase an instrument

Costume Collector Unlock 23 alternate costumes.

Phew! That was close! In the Leviathan Lagoon level, dodge 30 sharks without being hit.

Sentinel Proficiency Reach Rank 30 with any Sentinel.

Superior Thulian Technology In The Frozen Dawn, unlock the Ancient Ubersprengen

Hard Complete the game in Hard difficulty.

Survival Novice Play Survival for the first time in Duel Mode.

Aggro Racer Sideswipe 75 opponents

Giant Complete any campaign with a creature of 25 segments or longer.

Arcade Champion Complete all achievements in all games from The Arcade.

DC Silver Achieve Silver medals in all of the DC Challenges

Down to Earth Kill 50 Assault Marines/Raptors in mid-air.

We Don't Sell 1-Ups Use the soda machine outside the locker room with Steve (must be in third-person view).

CQB Master Kill 200 players with a shotgun, a submachine gun, and/or a pistol.

Breach Master Complete 15 Breach matches.

High Five! Complete Stage 5-8.

Champion Achieve above average XP on every zone.

Hedonist, not Misogynist Discover and reject the video game that lets you slap women

Zombie Killer Defeat at least 10,000 zombies.

Twist 'N' Shout Achieve a total of 100 Perfect Revert-Manuals

Six of the Best Complete Stage 6-8.

Major Pain Clear all Major rank missions without using Rations nor First-Aid kits.

Unstoppable Finish first in every race in the Ultimate Speed Pack (Single Player)

Rare Collector You found all of the collectable figurines in Burglar on Expert

We're Not Alone Acquire the Blue Gem.

Booked Dragon! Booked Dragon in the Bestiary.

Famous Reach Online Fame Level 15.

Ultimate Challenger Clear all Ultimate Skill missions.

Nade King Expert Kill 30 players with grenades.

Go Outside and Slay Dispatch a secondary unit on 10 missions.

Size DOES Matter Punch Oz with a Goliath in Descent.

Conquering the depths Complete all tracks in Underground Area

Enemy Within Have Mind Controlled enemies get a total of 15 kills within a single campaign

Science Maven Win Labs as both factions in Campaign Mode

Extra Credit Complete a Custom Campaign mission in Single Player.

Vorpal Eliminate a total of 25 enemies with melee attacks during your career.

[Wicked Witches] EE-HEE-HEE-HEE-HEE-HEE!!! Complete ‘Wicked Witches’ Episode

Death Ray In Revelations, kill 40 enemies with a single activation of a Corruption Turret.

Zombie Road Walk over 10 meters in total on the backs of zombies using the Zombie Ride.

A very particular set of skills Finish the campaign on hard

Heartland Performer Played a set in Middle America

I Got Gummed... Why me...?

Immune Complete the game without using medkit

Threesome Kill 3 enemies within 3 seconds with the Impregnader

Bloody Red Rover Kill 30 enemies with the moon rover

Fire Sale - Guerrilla Complete chapter 3 on the Hardest Difficulty in the Single Player Campaign

Employee #4 Earn your third career teammate