Zathic

It's a Bug Hunt Eliminate 10000 xenomorphs.
77/100

Mercy Dealt the blow of deliverance.

Love Is All You Need Play through a campaign without using any gems.

Exposed Remove all of King Cepheus's shields.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Closure Put an end to all things.

You're On Fire! Get 5 Kill Streaks of 5 kills in Elimination or Skirmish in PvP.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

A Clean Bill of Health Have a single character affected by all status ailments (both beneficial and detrimental).

I Just Called To Say I Love You Listen to the messages left on 5 different answering machines.

Fatso Be stuffed to bursting for two days.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Got the Hang of It Now Earn 100 Tetris Line Clears.
0/100

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

They call me… Tim Hire an Iron Wolf

Overwhelming Confidence Complete 25 successful Challenge runs.
28/100

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

The Spice of Life Use three different types of Yamato weapons in a boss fight.

Perfect Date Finish a level without taking damage.

Head Trauma Use every type of melee weapon on a zombie

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

Legendary Hero Reach Reputation 5 with any Hero.

Sniped In career mode, compete for the same player with other teams, and win the negotiation war

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

Like Killing Ants Kill 5000 soldiers.

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

Into the Manse Entered the duke's manse.

All Creatures Great and Small Rescue every captured friend.

Entrapment Kill 20 enemies with security guns in a single level.

Golden Idol Perform every Single Player Skillshot in the game

Headshunter Defeated a hydra or archydra.

Underwater Expedition Defeat Cetus while its head is underwater.

SPF 1000 Deliver the final blow to Orion using a solar flare.

Supernova Get 3 stars on each of the first 14 Echoes

It's a Cover, Not a Hat Collect 20 hats on a single character.
15/100

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

Ogre Savior Complete all stages of Oni Spirits.

Heads Up! Kill 25 Heroes by attacking them from above in PvP.

The Explorer Visited 150 locations.

Gabe Fan Collect all cassette tapes!

Pro-nimusha Complete the game and get an S Rank.

Scantily-Clad Jutsu Unlock Kaede's alternate outfit.

It's Camouflage on Some Planet Collect 40 weapon colors on a single character.
22/100

Grounded Kill an airborne enemy with Brigitte's Whip Shot in Quick or Competitive Play.

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

Solitude Obtained the almighty power of sovereignty.

The Ultimate Champion Complete the game on Ultimate difficulty.

Token of Affection Earn one of each type of ship badge.

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)