ContraChief

Making Some Noise Gained five noisemakers through lockpicking.

Chthonic Colleagues Fulfill the 'Chthonic Colleagues' Prophecy

Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

Good Old Days Take a black and white photo of a gopher riding an elk

Unbelievable truth Reach all memory bugs in all memory remixes

Catch me if you can Defeat Arclight while taking no damage from her slam attacks

Space Lord Reached level 50.

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

Death of the Iron Ruler Defeat General Mikiel

Shadow Play Gave the H-Source to Jack.

I do like spam! Finish 15 Enforcers off with the Spammer

We have to go deeper... Create a level that uses ALL 16 layers

MemHunter Elite Finish the game in Memory Hunter Mode

400 Beat 400 enemies

Gadabout Discover all named locations in Oasis and the surrounding Pirate's Booty areas.

Well Stocked Buy 9 'Well of Charon' items in one escape attempt

New School Place a Hook Hat in your level

Everybody has a chance Clear final Krogma level with all characters.

Sorry I Made You Wait Save Jill from confinement using Chris.

No DP? No madness Complete the game on Veteran difficulty

Queen of the hill Survive the entire Leaking Brain assault (episode 3) without using Power or Regen Pressens

Emancipation Complete the campaign.
0/100

Expert Creator Complete all levels in the Tutorials

Anyway, Here's "Firewall" Activate the Backburner's firewall.

You Must Defeat Shen Long Defeat Xi Wang Mu

Lesser Evil Deal with Mr. Carella's indiscretion.

You shall not pass Clear the final Krogma level without dying.

Relic Runner Completed a Time Attack stage

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

Air Selfie Take a Selfie on the Paper Plane

Slippery Slope Create a slide

Think Fast Kill 30 Necromorphs with Kinesis objects

Gotta patch them all! Find all SAT Patches

Moon On A Stick Moons don't belong on sticks! Get rid of it!

Legendary Win all trophies in the game!

World Traveler Collect one glowing piece from each of the 4 toy sets.

The Desk Job You convinced Wayne Haas to let you into the morgue.

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

Break 'em during the thunder Opened the window without making noise

I can open doors! Complete the Breach in 10 seconds

Machines do it better Use the Sensen RIP to make robots knock 20 human enemies out

It's all in the details Find all Mnesist memories

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

Pest control Find all Scaramechs

8-hit wonder Perform 40 8-hit Combos

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

Lunch Break Take a sepia photo of a squirrel eating an acorn

Forced Breakthrough Defeated the three Gatekeeper Goblins and cleared Chapter 3-2 without dying

She's gonna blow Max out the thermo in Create Mode

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