MightyMostert

Network weapon Skillkill 10 enemies in a row

Lucky Threes Rolled Triples

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Welcome to the Sunshine State Unlock the Everglades battleground

Make a Wish Witness a meteor shower in Countdown mode.

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Evolution Completionist Gain all stars in 'Evolution'.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Strength in Numbers Win 10 Matches in Team Play

Wrecking Crew Destroy the statue with the bulldozer

Well Informed Have a look at all the different info-view panels

Let's Heat Things Up! Activate your Boost Gems 100 times.

Day 2 Mastered Complete all Day 2 challenges at gold level

Let's go shopping Use every item at least once

Still counting Attain a Time Trial star rating of 50

Points Taken Win 10 Timed Matches

Vulnerable As the Predator, knock down a Fireteam member while your energy is overloaded

High Score In Zombie Rush, obtain a Personal Score of 250,000

Light adept Learn all Light spells

Chapter 2 Speedrun Complete a Speedrun of Chapter 2 below the target time.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

SKY SANCTUARY Restored! Restore the SKY SANCTUARY Stage Gate.
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Groceries That's one way to stock your fridge

Tank Oppressor Destroy 20 tanks in sequence.

Meet Joe Black Dont Leave Dummy On The Road

Back to School Can't wait for the prom

Just Like Old Times Dispatch the professor with a shot to the groin.

Wishing for the Best Complete the "Last Wish" Raid.

Egg Lord Breed 100 chickens

The Coolest Paperboy Get "perfect" throws for all newspapers in "The Paperboy" mission.

Lock and load Learn all shooting improvements

Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

No Swimming Should have brought a swimming suit.

One goal a season Score with a defender in a match

Beeep! Express checkout

Change For Gas I wish I had an electric car.

Invincible Get 99 or more extra lives.

Bogey (1 Over Par) Take the alternate route above the cave

Fruits of Labor Go into Training mode 10 times.

Century of Goals Score 100 goals in FIFA 12 match play

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

You Can Pet The Dog Pet a Hellhound in MWZ

New Jarl Reach Season Level 10

Distinguished Hunter Reach Player level 50
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Tough luck, chum! Complete Ragnarök - Part I on any difficulty.

He Talked Too Much Defeat Emerson Miller

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.