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

The hills of Gallipoli Unlock all Codex Entries in The Runner

History Uncover all 10 ancient glyphs.

All men dream Unlock all Codex Entries in Nothing is Written

Going Places Rode the tram in Burial at Sea - Episode 1.

That's How You Do It Complete Tutorial

No Orc Left Behind Rescue a Follower who's been captured.

Home Sweet Home Occupy The Relay Station (Valley Of The Yetis).

Member of the Tribe Seal the keyhole in Deep Jungle.

Urban Exploration Involves heavy lifting

Everything is Permitted Shame an Assassin until he becomes deranged.

Riding the Wind Defeat the 5th Colossus

Deadly Specialist Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.

Guardian Ape Defeated the "Guardian Ape"

Night Survivor Defend The Relay Station And Survive The First Night (Valley Of The Yetis).

Fast Break Score at least 2 Dunks in the first minute of a Hoops game

Mitko Vasilev Defeat Diamond Block league boss Mitko Vasilev

Ruthless Make 50 total Shots on Goal using Merc, Grog, or Ripper

Symmetry Activate the Symmetry laser.

Vertical Mobility Help a grunt become an Overlord.

Expensive Taste Used the Grinder to create a Legendary item.

Voices Complete "VOICES" mission.

Companion Finish the game with the same partner for the majority of the journey and return to the beginning.

Builder Complete One Relay Station Upgrade Quest (Valley Of The Yetis, Single Player Only).

It can't be for nothing Platinum Trophy

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Sound of thunder Unlock all Codex Entries in Through Mud and Blood

Nice Try Engage Witch Time successfully 10 times consecutively.

Master of the Arts Grasped the inner mysteries of any combat style

Burial at Sea Completed Burial at Sea - Episode 1.

Digitize Me! Digitized into Claptrap's Brain.

Skilled Upgrade any ability once in single-player mode.

Air Supremacy Killed 100 enemies with Wolf.

Reinforcement Develop 100 or more development items.

Holtzman Defeat Hazard Company league boss Holtzman

The Bigger They Are Defeated the Invincible Empyrean Sentinel.

Hard shell, soft core Defeat the Commander

Understanding Madness Complete Demon Within on Hardened, Veteran, or Realistic.

Backtracking Ride the crates

Curator of Nightmares Recreate all of Iris' nightmares in the Painted World.

Great Serpent Defeated the "Great Serpent".

Voyeur Spy on people whenever possible, and finish.

Life of the Party Send a Destroyer on a Vendetta Mission.

Platinum! Earn 10 Platinum Medals. Must be earned in 10 different battles.

Guided by Sparks The crate is key

Freeflow Gold Achieve 24 medals on combat challenges

Registered Voter Head to 'Arena Preferences' and use all of your votes

Blood on Blood Make a Captain kill his bloodbrother.

Backstabber Kiss Blake... then injure him, and finish.

Spiritual Hunter Kill A Yeti (Valley Of The Yetis, Single Player Only).