Alienimator

In Search of Enlightenment Collect all secrets in Act 3

13-Star General Obtain all Bronze, Silver, and Gold trophies in Unit 13™.

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Mother My Brain Hurts Discovered the strange E99 specimen and what it morphs people into

Confidence Boost Win a Battlegrounds league Clan Match.

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Undiscovered Truths Find all the intel hidden in Nightfall.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Escape Artist Successfully extract 25 times in Hazard Zone

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

The Spider's web Defeat 50 enemies using the Amazing Charge Attack

Wishing for the Best Complete the "Last Wish" Raid.

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Good Listener Found 20 Portable Phonographs.
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A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Torque Completionist Gain all stars in 'Torque'.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Been there, done that Play at least one full round on all maps in competitive mode.

Friendly Rivals Compare your ranking on any Challenge with a Friend on your Friends list.

Burgertown Escort Service Rescue 1 survivor in Infection.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

The Sky Is Mauling! Kill 3 enemies with Mortar Strike in ‘Air Traffic Control’ Operation.

Making a Point Kill both bosses with head shots in ‘Hostile Takeover’ Operation.

Making mountains out of molehills Kill 100,000 enemies.

Got Your Back Revive your Co-Op partner 10 times.

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

The First Harmonic Score your first harmonic in Needle Hills.

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Developmental Graduate Complete the TRAINING CHECKLIST.

The third faction Rescue all the Buddies from their respective predicaments

Gotta Catch'em All Collect all secrets.

Enthusiasms Kill Torres with a melee attack in ‘Hostile Takeover’ Operation.

Blah, Blah, Blah, Gimme the trophy Play and finish the "Live Training" tutorial mode

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Come On And ... Slam 10 zombies at once in Outbreak.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Head Trauma Use every type of melee weapon on a zombie

Justice Is Blind Kill 4 enemies who are stunned by a Flashbang Grenade in any Operation.

Don't burn yourself out Defeated the Keeper

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.