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Shakti Research Master Upgraded to Attack Level 5.

Stalact-tactician Takedown 2 enemies with one stalactite

Varterral's Fall Defeated the varterral on Hard or Nightmare difficulty ("Witch Hunt" downloadable content)

Time for Science! Play the game at 1:11am

For Auld Lang Syne Stop Freeze and bring Boyle to justice

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

GO BIG Complete the Unleashed Goal of an Event of the HOT WHEELS™ - Monster Trucks Expansion.

Presidente's Seven Had 7 Dynasty members

The Wheel Completed Attuned to all seven of Loka's Chakra Gates.

Raksha Research Master Upgraded to Defense Level 5.

Squad Chief Helvig Defeated S&R Squad Chief Helvig

Boosted! Hold Super Boost for 15 seconds in Protector mode

The Right Way Up Roll your car during a Rally stage in Australia and continue

The Last Supper Kill 10 terrorists with a single turkey bomb

Splicer God Complete the "Wrath of the Machine" raid on heroic difficulty.

Dimensional Drifter Powered up the first generator

Natural Talent You finished Mystery Foe without using any active supernatural powers

The Kalpa Continues Stopped Kala from resetting the world.

I Have an Idea! Leave some feedback on someone else's content

Dead Echo Acquire all trophies in Bulletstorm

Sanguine Serum In Zetsubou No Shima, drink fresh Widow's Wine.

The Architect Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.

Snowjob Get 3 enemies frozen in one attack

Hit The Ceiling Reach REP Level 70

Field Hospital Get 500 revives (Ranked Match)

Unlocking One's True Potential Completed one Incarnation's Resolution quest.

Mayday Completionist Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.

Down with the Revolution Stop Anarky thug operations in South Gotham

Do it once Finish the game once(any difficulty mode)

Legend of the Dark Knight Complete all Dark Knight challenges

Sweet Music Set up some Custom Audio in FIFA 12

Null and Void Learn Salvador's strange discovery.

Ultimate Heir Clear all Ultimate Matches.

Unseen, unknown Unlock the Insignia of the Shadow for each mission

Spelunker Find all of the Intel in Awakening.

TBoGT: Past the Velvet Rope Score 80% or above in all missions. (The Ballad of Gay Tony)

Leon Must Die! Completed "Leon Must Die!"

Inquisitive Mind Find all of the Intel in Mayday.

Did I Do That? Kill your friends 100 times.

Ensign Reach round 10 in Carrier.

Done of the Dead Complete Zombie Campaign

Magic: The Puzzling Complete a challenge

Indivisible United in the struggle to better ourselves.

Fashion! Purchase 15 Armor Skins

Epic victory - Chapter XIII Finish the levels from Chapter XIII in Paladin difficulty

Home Visit! Reach rank 3 or higher in the Home Visit imp quest

Adaptable Complete a stage in Dry, Overcast, Rain and Wet conditions

Rodeo Drive Buy all clothing, weapons and fight styles

My House Own the whole track in Sector Snatch

Lights, camera, action! Win a Quick Race on a track in the Stop Motion Studio (not unlockable in Split Screen).