FaultyMuppet

Everyone Assemble! Both players called for support at the same time.
(Training mode doesn't count)

Power Outage Hack 5 enemies at once as Sombra in Quick or Competitive Play.

Raise the Not Quite Dead Adventure Mode - Cooperatively kill 50 levitating enemies

Hard Headed Collect 1000 helmets

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Flying Paintbrush Splat a seagull with the paint-ball gun while it's mid-flight

Tip-Top Ten Pin Complete all 4 bowling lanes

Traces of a Hero Completed a story.

Mighty Wander Max out stamina bar

Enabler Get 4 kills or assists with a single use of Ana's Nano Boost in Quick or Competitive Play.

Path to Greatness Get a bronze medal for any Prestige U-Trial.

Not very classy for someone's dying words Kill 1000 enemies with Vergil

Feeling ill Defeat an Evoker.

Ballard's Crossing Complete mission 5: "Ballard's Crossing"

Monster Hunter II Defeat the City Power Spring

Cloak and Dagger Met secretly with the agent of the Divine. ("The Exiled Prince" downloadable content)

Sack the Postman Post all 6 invitations for the party.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

The King is in a Cent Found all gold in Chapter 2.

Banker 1000 silver coins acquired

Beaconator Create and fully power a Beacon.

Cheating Death Use the Totem of Undying to cheat death.

Kill the Beast! Defeat a Ravager.

Enemy Buster Defeat 100,000 enemies.

Uber-Scrap Defeat Uber-Bot 888.

Majority Shareholder Spend 30 Commendations

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

The Two Idols Reach the story chapter "The Two Idols."

A Deeper Bond: Sinon Complete Sinon's side story.
"Sinon is an indispensable part of this team, and an important friend."

Being a Solo Player Isn't So Bad Complete a total of 10 Side Quests, Extra Quests,
and/or Multiplayer Quests with a party consisting
of any single character.

Shard Shark Collect all collectible Shards in game.

Archivist Find 30 of 61 News Pickups in the Single Player Campaign

Master Of All Unlock all Damnation™ Trophies to unlock this Platinum Trophy.

Respect for the dead Plundered all four resting places

Moskstraumen Activate a Conduit.

Conservation of Energy Gain 350 shields with a single use of Sigma's Kinetic Grasp in Quick or Competitive Play.

Well, That Wasn't So Hard Complete all Team Adventure chapters on Hard difficulty.

It's like a fighting game [Tactics] Cleared Basics section.

Naturopath Craft 10 medicine items

Tier One In a group of 4 finish an Operation on Challenge with 5 directives enabled.

Going Ballistic Kill 10 enemies with Ballistic Knife melee attack in ‘Rocket's Red Glare’ Operation.

You shall die! Upgrade Vergil's Devil Trigger to maximum

Even Dead Gods Can Die Activate and survive all Dark Altars in the Main Campaign.

The Beginning? Spawn the Wither.

Interior Decorator Obtained 10 pieces of furniture.

Birth of An Abomination Complete Root of All Evil

Echoes of the Past Defeat Virage.

Rough Rider Destroy 15 vehicles during a single challenge

Drone Joust Defeat an Agent riding an Agency drone while riding an Agency drone yourself

Fiery Trial Either on (at least) your 2nd playthrough or in Hard (or greater) difficulty, conquer the fierce battle at Igraine, the Shrine of the Fire Trial, without using any items!