ColinRossWilson

Maximum Overdrive Kill 50 enemies while using Overdrive.

No stone left unturned Find 18 collectibles in the Campaign

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

Burn Baby Burn Destroy 80 Fuel containers.

Skilled Treasure Collector Find 50 Treasures

Welcome to Nam DLC Vietnam: Get back your gear at the helicopter crash site.

Stunning Vistas Stun an enemy with a Flashbang

Depression Fourth stage

Right 4 Life Complete act 1 with 4 different characters.

Merciless Complete Chapter 4

Streets Sweeper Unlocked after the player discovers all collectibles in Act I.

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

Merciful Complete the level BLACK STATION without killing or knocking out any enemies.

It Came from Below! Kill 6 enemies with the knife while underwater in "Legends Never Die".

Ranger Find all Ranger stashes in Dead City.

Hard Hitter Complete the campaign on Hardened difficulty.

Carving Turns Complete the Drift driving story

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

Expensive Taste Used the Grinder to create a Legendary item.

Flying Ace Shoot down 10 enemies with machine guns in "Throttle."

It can't be for nothing Platinum Trophy

Symmetry Activate the Symmetry laser.

Airspace Control Kill 10 enemies while they use zip lines or are rappelling. (campaign only)

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

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

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

Heads Down In Multiplayer, fully suppress 5 enemies

Digitize Me! Digitized into Claptrap's Brain.

Blame The Vain Win a race with all vehicle effects slots equipped

Master Grenadier Kill three enemies with one grenade

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

Patience is a virtue Experience all 3 endings in the Campaign

Swan Diver I Swan dive from the top of the Kraken Room

You have friends? Complete 5 events online with other players

Air Supremacy Killed 100 enemies with Wolf.

Hedge-hopper On the level FRONTLINE kill all of the enemy Red Army and Fascist Soldiers.

The Collector Completed a crazy request for Tannis

Homo Homini Lupus Est Save 15 survivors from Rais's men

Roadkiller Kill an enemy by running over it with the motorcycle

It's All In the Writing Find all text collectibles

The Bigger They Are Defeated the Invincible Empyrean Sentinel.

Magma Racer Earned a silver medal or better in the Rift Plane Health Race.

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

Backtracking Ride the crates

Gone for Good Defeat an enemy with an explosion

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

Voyeur Spy on people whenever possible, and finish.

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

Guided by Sparks The crate is key

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