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Spy vs. Spy In cooperative mode, prevent 10 attempts of picking up secret items.

Level 21 Unlock all weapons in the campaign mode.

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

Bigger They Are Complete Longest Yard

Archivist Find 30 of 61 News Pickups in the Single Player Campaign

Enough Coin to Disappear You survived The Brigmore Witches in low chaos with 10,000 coins

Finger on the pulse Upgrade OSB Pulse Wave

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

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

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

Harmonic in the FEBA Score a harmonic from the FEBA.

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

Song of Va'erä Ramunong Secure the song in Va'erä Ramunong.

Diligence as a goal Get 3 stamps in any arena challenge.

Ladder Goat Find Ladder Goat movie on the Fort level.

Deadly Ballet In a three-player co-op game, make sure everyone scores at least one kill during Team Entry.

Back From The Dead Reclaim your gear from a Tombstone in MWZ

Live Die Reload Complete Extra Life Mode with 5 Extra Lives in your Inventory (Ancient Gods 2)

Delivery Specialist Deliver all 5 virus samples for your team in Dispatch's Biohazard Mode

Bring it on! No comrade, this will not do! We must become stronger, for our fans! Fight 100 matches online!

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

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

No Such Thing as Too Many Find and use all Armaments in Open Combat Missions

Let Lounging Lickers Lie Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead

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

Cyberized Research all Augments for 10 Items in Zombies

Game Over Beat Horde Mode

Stealing is wrong, kids! Take out 10 Scavengers

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

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

It's about time to start! Register an icon, team and message in Customize

Song of Kxanìa Taw Secure the song in Kxanìa Taw.

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Bulletproof Find all Plate Carrier Upgrades in Open Combat Missions

Theremad! Frobisher Says: "Figure it out from the title!"

Gearhead Collect all Weapons and Field Upgrades from Supply Boxes in Open Combat Missions

Distance warfare Take out a Sniper with a grenade

Mux Ado About Shipping Defeat Mux.

Give Away All Your Money Grant the dying wish of a sick slug.

Case in Point Complete the Campaign on Veteran difficulty

Rocket Socket Kill 5 enemies with Rocket Launcher

Divided We Fall Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.

Can You Feel that Shield Power? Complete "Homebase Storm Shield Defense 6"

More Tawtute Will Come Finish the game on the Na'vi side.

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

Crusade - Chapter XIII Finish the levels from Chapter XIII in Knight difficulty

Become a Superhero Complete "Hero Training - Stage 2"

Metal Head Upgrade a song at the Tapesmith

DEA, keep your hands up! Complete the game playing as Eddie Guerra.

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