Borderland Defender Round 1.5
Unlocked all Borderlands: The Pre-Sequel trophies.

Invaders Must Die
Completed the mission "Lost Legion Invasion".

Welcome To The Rock
Completed the mission "Marooned".

Dejamminated
Completed the mission "Systems Jammed".

I Shot The Meriff
Completed the mission "A New Direction".

Drakensburg, Schmakensburg
Completed the mission "Intelligences Of The Artificial Persuasion".

Who Constructs The Constructor?
Completed the mission "Let's Build A Robot Army".

Helios Rising
Completed the mission "Home Sweet Home".

Brain Drain
Completed the mission "Science And Violence".

The Guts Of Helios
Completed the mission "Watch Your Step".

A House Divided
Completed the mission "Eye To Eye".

Vault Hunter Superior
Defeated the Opha Superior.

Multi Face-eted
Defeated the Empyrean Sentinel.

Once More With Feeling
Completed the mission "Return of Captain Chef".

Do Shoot the Messenger
Delivered Zarpedon's message.

The Gun In The Stone
Removed Excalibastard from the stone.

Who You Gonna Call?
Completed the "Sub-Level 13" missions with 3 other players.

Guardian Guardian
Saved the Guardians from the Scav Poachers.

Modern Fart
Completed the mission "To Arms".

Side Quest Student
Completed 30 side missions.

Moon Mission Meister
Completed all of the side missions.

Grind 'n' Bear It
Used the Grinder to create an item.

The Bigger They Are
Defeated the Invincible Empyrean Sentinel.

Mouth To Mouth
Revived 10 players with oxygen.

Rocketeer
Launched 4 rockets from Elpis.

Super Secret Stash
Opened Zarpedon's Chest.

Air Supremacy
Killed 100 enemies with Wolf.

No, I'm Athena!
Killed 100 enemies with the Aspis.

That Helped, Right?
Experienced all Vault Hunter Modes using VaultHunter.EXE.

Executioner
Killed 10 enemies in a single activation of Showdown.

That Tasted Purple!
Had Purple-rated gear or better equipped in every slot.

Challenger
Completed level 1 of all challenges with a single character.

Space Rookie
Reached level 5.

Lunar Lieutenant
Reached level 10.

Moon Master
Reached level 25.

Space Lord
Reached level 50.

Moxxi's Sampler
Tried all the Moxxtails in the Up Over Bar in Concordia.

Lunar Looter
Looted 10 Moonstone Chests.

I Come From The Land Up Over
Discovered all named locations in Serenity's Waste, Triton Flats and Stanton's Liver.

Beam Me Up
Discovered all named locations aboard the Helios Space Station.

Eridian Explorer
Discovered all named locations in Outlands Canyon, Outlands Spur and Vorago Solitude.

Cosmic Completionist
Discovered all named locations.

High Fashion
Unlocked 10 Customization Items.

The Duelist
Won a duel.

Collateral Damage
Had a Lost Legion Eternal kill 3 of his friends.

360 No Scope
While airborne, spun 360 degrees then got a kill with a Sniper Rifle without using the scope.

Expensive Taste
Used the Grinder to create a Legendary item.

Ice To Meet You
Shattered 3 frozen enemies with a single slam attack.

Elementalist
Had an enemy frozen, corroded, ignited, and electrocuted at the same time.

Pancake Parlor
Pancaked an enemy in the Stingray.

Who Needs Air?
Suffocated for 5 continuous minutes without dying.