NanoSplash

TL;DR: Gardens Completed the Gardens under 3 minutes.

The First Million is Always the Hardest Have 1,000,000 bolts banked.

I Can Stop Anytime Used 20 Health Syringes.

Power Games Access 10 different rewire points

It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state

El Matador No one gets hit by a grove beetle in the Deadgrove.

Penetrated First kill with a Syringe.

Show us that grin! Stretch the Alien's face as far as you can.

A Moment of Reflection Use only Reflectors to destroy the generators in Phonica Moon's security tunnels. (2P +)

Two Birds With One Stone Hit two enemies with the same weapon in one throw

Grave Digger First kill with a Shovel.

Cabin Fever Make it to the cabin in Regular or Hardcore difficulty.

Knight in Shining White Armor Revive 20 friendly troops.

Mag of Holding Purchase the final tier of any inventory upgrade.

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Aphasia Release Oswald from his Trap.

Lesser Evil Deal with Mr. Carella's indiscretion.

Light Machine Gun Lash Out Campaign: 50 kills with light machine guns

Zoo Keeper Collect all the masks

Think Fast Kill 30 Necromorphs with Kinesis objects

No Assistance Required Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

(10+1.5+3.5)x Get a multiplier of 15x

Batman Clear Chapter 2 using Nigel the Bat

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Curb Stomp Stomped first Minion to death.

Fire Hazard First kill with fire.

Splitting Headache First kill with Scissors.

4 Play Get all of the Trophies in the game.

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Get Rich or Die Trying Have $50,000 current balance in a Special Ops Survival game.

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Springy Rescue Rescued the Bot in Twin-Frog Trouble.

General of the Army Enter Prestige 1 in Multiplayer while playing online.

Guns For Show Use all guns at least once

Pumping Rescue Rescued the Bot in High Inflation.

The Bull You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.

Pitcher Use all throwing weapons at least once

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Exo Survivor Successfully complete the Exo Survival Bonus Wave.

Romanov This! Destroy a Romanov with a melee attack.

Eager Student Release Obi from his Trap.

Motherly Ties Put a grieving mother's doubts to rest.

Crew Creatures Discovered Max, Sandy, Sputnik, Balto, Kitsume, Eggbert, Ms. Mayor, Momo, Rara, Dotsie, Pixel, Daisy, Hudini, Muzik, Luna, Prince, Quincy, Trouble, Jazz, Indie, Bill, Cleo, Khaini, & Pablo.

Plain Luck Hit three or more enemies with the same weapon in one throw

Flip Flop "Flip" a map twice.

Born Victim Release Jeff from his Trap.

Violence Begets Violence Kill the Pighead.

Cost of the Truth Complete game using Truth Door.

Hatchet Job First kill with a Hatchet.

New Challenger Join and complete an Online Tournament match