KidInTheCorner

Elephants Never Forget Poach Ivory.

Jeff Gordon NASCAR School Complete the "Jeff Gordon NASCAR School" Special Event.

Quadruplets! Pigsy's Perfect 10: Ally 4 enemies using one single Ally device.

Sir Francis unlocked Unlock Sir Francis!

The ABC Saints Worship the saints in a certain Scottish church without any kind of favoritism.

Suicide mission Eliminate a guard with a booby trapped clone

Against All Odds Mudokon God, Mudokon Saviour

The Whole Nine Get all the gauges.

One Good Day Pass a Pet Report

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

Outfit Collector Obtain all outfits.

Community Service Complete all Angel Resistance Missions

Chip Hoarder Earn a combined total of 3,000 points in poker, roulette, and blackjack.

A Classic For A Reason Purchase all the upgrades for the Death Ray.

Never Tell me the Odds Complete Endor on UNLEASHED difficulty.

Frequent Flyer BASE jump and travel more than 150 m with your parachute

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

Now Who's the Idiot? Finish The Artifact

Masochist Lose 20 health chunks from using Heroic Gifts

Ash the Leech Gain 10 health chunks using Heroic Gifts

Hypersonic Complete all Secret Encounters in a single save slot (Ancient Gods 1)

Perfectionist Complete Suit Only and Silent Assassin Challenges on The Icon or A House Built on Sand.

The creator Finish Mission 4

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Amaranthine's Last Hope Saved the city of Amaranthine ("Dragon Age: Origins - Awakening" expansion)

Knightfall Complete Chapter Five

Computer Privileges Change the screensaver on the Batcomputer

Supply And Demand Complete all Freddie Resistance Missions

Your Vote Counts Eliminate Abiatti by impalement, pen and fireworks explosion.

Finito Complete all Mission Stories in Landslide.

Rank 2 Cleared! Clear rank 2 of the challenge tournaments

The Hardest Road Advance one of your soldiers to Colonel rank.

"A hero can be anyone." Complete Story Mode

TownGo Senior Completed all TownGo School Missions.

Off The Record Complete all Claire Resistance Missions

Cannon Fodder Eliminate the three main targets with the cannon.

First Blood Finish a round of Last Stand

Dose of his own medicine Kill a torturer in a duel

Red Barrels Explode all the red barrels on the rooftop while in a helicopter

No ammo wasted Finish a chapter without reloading with bullets in the chamber.

Stealing the Spotlight Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.

A Golden Opportunity Complete all Mission Stories in A House Built on Sand.

Silence is Golden You completed The Brigmore Witches without alerting anyone

Up for the Challenge Complete 20 Challenges
12/20

"Gotham can feel a little safer." Prevent 30 Crimes
4/30

Bounty Hunter Apprehend all hitmen.

Mind Over Matter Complete level 50

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Cane and able Thom(p)sons: get rid of 22 enemies with your stick!

The Enduring Vigil Acquired all upgrades for Vigil's Keep ("Dragon Age: Origins - Awakening" expansion)