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Arms Race Obtain all weapons.

Ground Allergy Complete a level without landing.

Why wasn't this standard issue? Fully upgrade all non DLC Weapons and Stratagems.

Herbal Remedy In Zetsubou No Shima, use a plant to return to life.

Besties [Versus] Played against a friend offline.

Signs of Evolution Find all 18 signs in all 6 chapters in Part 1

You can't win against me! Be challenged by "Ash" and win in ARCADE

Heretic Finish Mirrored Chapter I.

A Life Torn Between Order and Chaos Either on (at least) your 5th playthrough or in Chaos difficulty, win the final battle without retrying! Play long enough in Intense to unlock this ghastly difficulty setting. It's the only difficulty that offers a chance of obtaining triple-skill equipment!

Treetop Trespasser Complete Treetop Tangle wearing the Root Rot armor.

Save Your Breath Survive without oxygen for 60 seconds.

You Need to Diversify Yo Bonds. Achieve the highest level bond with everyone.

Start Analysis Eliminate One Darkness in the datascape.

Born Survivor Successfully survive and escape in Survival Mode.

Herd Mentality Defeat the Tempest Golem while four pets are active.

My Only Chance Meet with The Voice in the Free World

Hmph...this is only natural Get 10 straight wins

Rubbing Shoulders with the Best Invite a top 5 fighter and learn a new move in your Career.

Top Shelf Reach the highest platform above the power drill in "Miniature"

Objectively Good Capture an objective, build both fortifications and unlock both perks

Cold Hearted Complete No Negotiation without saving any hostages.

The Road Less Traveled Rescue Hardboiled Chicken for Part 2 in the game

Sweet 16 This is proof that you've achieved the Stack 16 bonus skill, the highest echelon of Stack bonuses. Whether this is the end or just the beginning is up to you.

In the moonlight Drop the moon.

Welcome Back, Rider Assimilate the Free World and make it your home

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Stay Down! Perform 5 successful takedowns in a fight.

Space Owl Droppings Drop six Space Owls into the liquid ooze in Chapter 6

Demo Man Kill the knight after destroying all pillars

Trendsetter Reach seasonal adventure rank 25.

To The Victor... Raise your battle class rank for the first time in Ranked Match.

Did My Homework Unlock all gameplans for a Fighter in your Career.

Spotless clean Get rid of the ash in "Miniature"

Living Legend Get all trophies.

Thunderstorm Unlock the "Thunderstorm" Power Up

The Great Unlocker Unlock 100 costume items or weapons in Part 2

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

The Sunspear Completed the Pilgrims' Trail to the top of the Sunspear

Endless Battle Collect all trophies

FOXHOUND Acquire the FOXHOUND title

UFO Hit and Run Kill all enemies during Hardboiled's final, successful escape in Chapter 6

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Pitch-Perfect Scored a perfect victory in a proper match.

Wooly Wisdom Find the chamber dedicated to the humble Llama and make an offering.

Goal Driven Complete 10 Weekly Challenges.

There Is Kindness in You Accept The Song's compromise

Silver bullet Obtain a silver medal in 10 different challenges

Bested the Worst This is proof that you've defeated a certain powered-up "someone". Nothing more can be said, nor does it need to be.

V-G-G, Vic Gotta Go! Listen to your owner's opinion on Vic.

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.