RSG76

Burgertown Escort Service Rescue 1 survivor in Infection.

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Pyromaniac! Blew up 100 barrels.

To the Rescue Stop all streams of lava in the Volcano

Ice Cool Finish 1st in race from the Glacier to the Volcano

The End Complete the Adventure

Hot Pants Complete I Now Know Why You Cry

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Favorite Clear all missions of any rank consecutively using the same gun parts.

Been there, done that Play at least one full round on all maps in competitive mode.

Ladies Night Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

Friendly Rivals Compare your ranking on any Challenge with a Friend on your Friends list.

The third faction Rescue all the Buddies from their respective predicaments

Falling with Style Be in the air for 6 seconds or more.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Frozen Fists Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.

Don't burn yourself out Defeated the Keeper

Come On And ... Slam 10 zombies at once in Outbreak.

No Compromise, No Regrets You battled for Caracas

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

You can't handle it Upgrade Dante's Devil Trigger to maximum

Tailor-made Chose a perfectly fitting armor

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

Oh Yeah!!! Complete Nothing is as it Seems

Two's Company, Four's a Party Complete any Adventure level with 4 players.

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Head Trauma Use every type of melee weapon on a zombie

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

The Hero and the Madman You completed Mercenaries 2

It's a Cover, Not a Hat Collect 20 hats on a single character.
0/100

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

It's Camouflage on Some Planet Collect 40 weapon colors on a single character.
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ARCHIVIST Collect all documents

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Loot and Pillage Collect $1,000,000

Repeat Customer Save yourself by using the Death Barter enchantment twice in a single mission.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Alright, Alright Survive until round 10 in Infection.

Street Fighter Complete all Dragon's Teeth Assignments

Artful extraction Absorb your third Boss Stem Cell

Games Master Played 10 local games.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Finished, without fear. Finish the game with two Boss Stem Cells active

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Survivor Survive until Round 25 in Outbreak.

Canoe Capers Sail 200m in a canoe in the Lake

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Eh...what's up, doc? In cooperative mode, revive wounded players 5 times.