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Leave No Trace Dispose of 100 enemies using Helix Blade in Assassin's Creed® Chronicles: India.

Test Subjects Use sheep as test subjects in 6 levels

Voices From Beyond Unlock all songs in the Mouth of Metal

Looks like we have a winner Slay 2,500 Demons as Dante

Back in Action Perform 10 revivals.

Extract The Data... Get the data that Pritchard is after from within the Palisade Blade.

Expose The Truth! Decide what to do with the evidence you uncovered.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Endangered Lizards Killed all shining lizards

Red Faction: Armageddon Master Unlock all Trophies in Red Faction: Armageddon

A More Perfect Union Finish what you started.

They died for a cause Kill every Disruptor in a single world

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

The Bereaved Unlock Wendy

Climber Reached top of the shrine

1-Upsmanship Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 1)

Fivepeat This is your real power, child? Show me it's not luck by winning 5 Ranked Matches in a row!

Plutocracy Earn 10,000 or more gold.

Was that supposed to hurt? Win a non-Puzzle Battle with less than 10 damage taken in total.

Troglodyte Kill all scientists with head shots in ‘Self Destructive’ Operation.

Burning times Complete a level on Master difficulty without using bombs, overdrive or boost with a custom ship

Old School Play a 2,3,4 player split screen local game

Tourist Viewed all vistas

Escaped Awakening Escape Awakening for the first time in Regular or Hardcore difficulty.

Slumming Complete all the Midtown missions in a single player campaign.

Hard Headed Collect 1000 helmets

This may be fun! Upgrade Vergil's health to maximum

Main Frame Hack Find the Butcher Bay main frame and input your DNA.

Reinvent the Weapon Wheel Re-collect all of the weapons on the Weapon Wheel

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Cloak and Dagger Met secretly with the agent of the Divine. ("The Exiled Prince" downloadable content)

Burnt offerings Complete Fire Caverns in arcade mode on any difficulty

Not Your Usual Assassin Complete Assassin's Creed® Chronicles: India without killing anyone.

Invisible Master Complete Assassin's Creed® Chronicles: India in Plus Hard mode without being seen once.

Mighty Wander Max out stamina bar

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Winning Streak Awarded for winning 10 consecutive matches.

Too easy! Complete all missions on the Son of Sparda difficulty with Dante

Egg-stra Awakening! Complete the Egg-Stra XP challenge and then scan an obelisk in the Invasion DLC package.

Rod Complete 'Rod' Level

Elite Sniper Kill 10 enemies with head shots from the scoped rifle

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

Not very classy for someone's dying words Kill 1000 enemies with Vergil

Going Ballistic Kill 10 enemies with Ballistic Knife melee attack in ‘Rocket's Red Glare’ Operation.

A Just Cause Decide what to do with the Altered Biocell.

Nightfall Completionist Complete all challenges and kill the Breeder in Nightfall in Regular or Hardcore difficulty.

Worst Nightmare Master the Worst Nightmare Dark Knight track

Collateral Damage Stop a convoy.

Going Up… In The Darkest Shore, unlock the Ubersprengen.