RSG76

One hell of a party! Complete all of the Secret Missions

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Glacier Egg-splorer Find 4 eggs in the Glacier

Capital Punishment Completed the game on the hard game difficulty setting, any ending.

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

Time Master Completed Singularity on Hard Mode

Two Cups One Girl Win two team events with the same female team-mate.

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

The Dance You beat the "Time Keeper" without taking a single hit.

Taking Flight In Gorod Krovi, ride a Dragon.

New Superpower Complete all China Rising Assignments

We Are the Champions, My Friend Win the Tournament of Ecry.

Vendetta Destroyed the career of Guard Captain Eams. ("Leliana's Song" downloadable content)

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

Kali Ma Complete Abaddon Asylum on any difficulty.

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

Duct Tape FTW Create all combo weapons

Game Hunter Kill an enemy of every type in a single player campaign.

No Compromise, No Regrets You battled for Caracas

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

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

Armchair General Won a stage battle by yourself against the AI without attacking

To the Rescue Stop all streams of lava in the Volcano

The End Complete the Adventure

Begone! Free all of the Lost Souls in Vergil's story

The Hero and the Madman You completed Mercenaries 2

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

Mother My Brain Hurts Discovered the strange E99 specimen and what it morphs people into

The Bank always wins in the end Reach the Bank for the first time.

Games Master Played 10 local games.

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

Victör Won a ranked multiplayer match

Professional Reach Rank 10 (Ranked Match)

Safety's Always On Complete a stage without firing ANY projectiles.

Total protonic reversal Complete Return to Hell on any difficulty.

Postmaster Complete any outpost by activating all of the generators in Regular or Hardcore difficulty.

Loot and Pillage Collect $1,000,000

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Zombie Genocide Master Kill 72,000 zombies

Daily Prophet Reader Collect half of all the copies of the Daily Prophet.

I like a Challenge Win 12 Throwdowns.

Leader Of The Pack Wear the Ocelot Armour and complete any mission featuring Ocelots without killing any of them.

Iron Mode Complete the game in Iron Mode.

It's a Bug Hunt Eliminate 10000 xenomorphs.
2/100

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