Topper-H-Riggs

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

Deus Vult Achieve 100 kills as Knight
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Going Up… In The Darkest Shore, unlock the Ubersprengen.

You Have 5 Seconds to Comply Build a S.H.I.V

Collateral Damage Stop a convoy.

Overachiever Watch the 100% bonus ending

gnilB fo gniK Earn ALL N. Verted Gems

Weapon Collector Upgrade a weapon 10 times.

Even Stronger Build up a weapon into a new weapon.

The Fallen Tyrant Flatten an unstoppable enemy.

Bleeding Knuckles Reach a lifetime score of 5,000,000.

Start of Something Good Befriend your first Perfect Partner character.

Match Made in Hell In Blood of the Dead, complete a Gondola ride with the Warden

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

Can you dig it? Complete "Can you dig it?" challenge

Damage Control Earn an A Rank in all 5 rescue missions

Bathe With A Giant Nude Alien Take a bath with Toxxo.

The Spider's shadow Complete a Noir level without triggering an alarm

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

Substory 4 Finish 4 substories.

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Nemesis Complete "Nemesis" challenge

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

Valedictorian Achieve an Overall Evaluation grade of A

Endless Vacation Completed New Game+.

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

Turnabout is Fair Play Kill 50 Cryptids with the Venom-X weapon in Nightfall in Regular or Hardcore difficulty.

Flash Knock Out After the initial Vic Viper battle, defeat all of the Naritas in under 90 seconds

An Adept Student Requires a Brilliant Teacher Complete the Nekomata Agent Story.

Ship Mechanic Upgrade any Plane Weapon or Plane Mod.

Team Player In Zombie Rush, obtain a Team Score of 500,000

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

We Came, We Chainsaw, We Conquered Kill a Bloat with Knifey's new upgrade.

Brew Glory Complete a Mastery Challenge for each role

Seasoned Fighter Cleared Free Mission on Hard one or more times.

Cheers! Reach the Derelict Distillery for the first time!

Deft extraction Absorb your fourth Boss Stem Cell

Bring Down the Hammer Enhanced equipment 100 times.

Lock, Stock, and Barrel Complete all Mission Stories in Golden Handshake.

Not One Inch In Gorod Krovi, complete a Lockdown Event.

The River Complete "The River" challenge

Let the Dog Out Complete "Let the Dog Out" challenge

Madman, Shivering Isles Reached Madman Rank in the Court of Madness

Elite Frame Runner Collect all trophies

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

Just the Start Collect 50 new vehicles
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Abyss: Abyssal Crusader Obtain all Abyssal Stars in the Spiral Abyss.

Harder Better Faster Stronger Finish the game with three Boss Stem Cells active

Exposed Dragon Win a hand of mahjong when you only have 1 tile concealed.

It's Rabbit Season Complete 2-C Crispy Duck.