NJS91

Leave No Gem Unturned Earn 21 Gems.

A Stitch in Time Saves 99 Earn 99 Lives.

Stand back boy! Kill 3 enemies with one blast from a Preacher.

It can't be for nothing Platinum Trophy

Music lover Help the musicians

We shall fight on the beaches Complete Mission 2

Friends and Foes Complete Rise and Fall on Hardened, Veteran, or Realistic.

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

Freeflow Gold Achieve 24 medals on combat challenges

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

Plumber Flood the Blackhats

Covert Ops Collect 5 pieces of intel in the single player Campaign.

Perfect Knight 100% Complete

Maximum Overdrive Kill 50 enemies while using Overdrive.

Platinum Trophy Platinum Trophy

Impossible Trinity You completed the mission "Museum Piece".

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

Those Signature Moves Activate any of the Signature Skills 100 times.

The Collector Completed a crazy request for Tannis

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

Visit the Airfield Awarded for visiting the Airfield in Silver Lake.

Cortex's Terrifying Trial Earn the Key in Jaws of Darkness.

Cut Your Teeth You were successfully promoted up a rank in multiplayer.

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

Video gamer Win all console games

Mastering The Basics Why don't you try finishing up the tutorial? You might've mastered the first step, but nailing down the fundamentals is what's important.

Restricted Airspace EMP 10 enemy aircraft out of the sky with the hovertank in "Bio Lab."

Walk Free You successfully lost a 4 star wanted rating.

Serious Collector Found 50% of the documents in the game.

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

Deactivator Disable the bomb

School of Hard Knocks Request Stiles to toss you grenades 15 times.

The boat can leave now... Tell the crew Complete Death Canal on any difficulty.

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

Debugger Repair the brain

Rising Threat Complete Rising Threat.

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

Escaper Escape Machinarium

Rescuer Rescue the girl

Give Your Fists a Rest Defeat an enemy using a weapon in Scenario Campaign Mode.

Can't Trust a Rat Killed 15 Racket Informants

Know No Fear Finish all of the missions at Level 30 on the Hard difficulty.

Voyeur Spy on people whenever possible, and finish.

Frozen in Time Kill 50 Necromorphs while they are in Stasis (single player only)

The Life Exotic Obtain and equip a piece of Exotic gear.

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

Taking down giants Unlock all Codex Entries in Friends in High Places

Giantslayer - Kill the Heavy within 1 minute Kill the Blood Meridian heavy in under 1 minute

Master of adaptation Complete all challenges in the campaign

Fly, Swim, Shoot Complete Sand Castle on Hardened, Veteran, or Realistic.