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Key To The City You completed GTA IV to 100%.

Safari Hunter - Kill each enemy infantry type with a melee attack Kill one of each enemy infantry type with a melee attack

Time to Go Outside Promote a single character 5 times.

Ecologist Complete Chapter 7: "Life and Death"

Threat Assessment Detect 20 enemies using the Threat Pulse in Multiplayer

Morbid Curiosity Complete Campaign Mode On 'Morbid'

''Do or do not. There is no try'' Complete all Galaxy Challenges

Oriental Express Look out Asia, here we come.

Clearing the Dance Floor Earn 200 vanquishes as an Electric Slide

''See you around, kid'' Complete all of the events in the Galaxy

Gone in 360 seconds! Complete a full Extreme difficulty Blitz mission and extract in under 6 minutes.

Twice The Firepower Play cooperatively with a second player

Don't Underestimate Earth! Practice - Complete 30 Different Combo Challenges.

Get Packed In Spaceland, Pack-A-Punch a weapon.

Small World Paint or Thin the mad Clock Tower

Fowl Five Piece Get a chain of 5 chickens strung together in Dead Ops Arcade.

Break a Leg! Defeat the "Old Friend" (Boss at the end of "Taking Control").

Officer material Attain a rank of Second Lieutenant (level 31)

Very Dead Complete A Mission On 'Undead'

Taking It For The Team You were on the winning team in all multiplayer team games.

Speedy Rexecutioner Destroy the Metal Gear REX boss in under 2 mins 30 seconds

Salt the Earth Defeat 200 Vargul

Stadium White clear Complete all White Stadium maps (Any medal)

Seeker Discover 25 secrets in a single playthrough.

Pull The Knife Out Complete Chapter 8: "In the Hearts of Men"

Super Star Earn 30 stars on one profile

Reaper - Kill 1500 Helghast Kill 1500 Helghast soldiers

Field Agent - Collect all intel Collect all intel within the game

Get Off Me! Knock back 3 enemies with one Spin Attack

Escort Duty Push a payload 100 meters without leaving it in Quick or Competitive Play.

Sheriff Obtain an A-Rank or higher on all bosses in Inkwell Isle I

Ace Port Royal Ace Port Royal

''You needn't worry about your reward'' Collect all Minikits

It's Play Time! World Match - Play a Casual Match.

''Hello there!'' Collect all characters

Snakebite Perform a Constrictor Harness takedown

Touge Fast, Touge Furious You shutout an opponent in a career Touge event.

Jack of All Trades You've competed in all race types.

Terror in the Blood Defeat Diablo after using an ability that costs health while below 10% of your life.

Ladies and Gents, We Have a Winner! Tournament - Emerge as champion.

A Beginning Reach Story Level 10 in Story Mode.

You Don't Run from Chance Successfully complete 50 Executions during story mode.

Remembrance Play three different Echoes

Comin’ up Roses Earn 200 vanquishes as a Rose

I've been waiting for you Kill 10 enemies trying to claim your team's pod in Drop Zone

''No more training, do you require'' Complete all 'Level Challenges'

Shaken, Not Stirred Win any Hot Pursuit in an Aston Martin

The Everyman Complete all the challenge missions

Straight Edge Destroy at least 20 bottles of Nom Juice in the Single Player Campaign

One Mech of a Ride Hijack your first Mech.