Arkynomicon

Back Home You grabbed a live grenade and threw it back, killing an attacker

Hypercaffeinated You have discovered every thermos of coffee.

Art Dealer You collected all the Sokolov paintings

That's No Moon Destroy Gravitron

Brutal End Perform 25 BRUTALITIES

Poetic Justice You neutralized all key targets using indirect means

Total Disrespect Defeat an opponent as Bug-Vorah

The Elevator Survive the elevator fight

Ultimate Sword Obtain the third sword

Trick Shot Destroy three enemy robots at once with rocket launcher splash damage.

Abysmal Covenant Discover the abysmal covenant

Making Some Noise Gained five noisemakers through lockpicking.

Prince of Sand Finish the game

The Big Fight Kill the vizier

Hornets' Nest You killed 4 enemies in less than 1 second using the crossbow

Failure Finish watching the demo scene confronting the Queen at the front gate stage

Mostly Flesh and Steel You finished the game without purchasing any supernatural powers or enhancements, besides Blink

Extreme Firefighting Set 5 enemies on fire and then kill them with explosives.

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

The White Tiger Complete story mission 3.

Silver-Tongued Devil Won 50 Speech Challenges

More Power Use 50 Konsumables

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

Death of the Iron Ruler Defeat General Mikiel

King of the Hill Level a weapon up to maximum operational capability.

The Bigger They Are… Kill all the Super Mutant Behemoths

Surgical You played from the first mission through Kaldwin's Bridge killing fewer than 10 characters

Disco Create a sun ray with Kotal Kahn and perform a flip stance 5 times while in the ray

BUDDY!!! Send a Tower Challenge to a friend

Beware of the Lagomorph Kill 30 enemies with the Clockwork Bomb

Tempest You killed 6 enemies in less than 1 second

Versatile You killed characters with each weapon and offensive gadget

Go for the Limbs! Dismember 500 limbs from living enemies.

Zoo Keeper Collect all the masks

Short Circuit Destroy ten enemy robots that have been disabled with an EMP emitter.

You Must Defeat Shen Long Defeat Xi Wang Mu

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

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

Knight in Shining White Armor Revive 20 friendly troops.

Expert Creator Complete all levels in the Tutorials

Think Fast Kill 30 Necromorphs with Kinesis objects

The Destination of Hatred Defeat Seymour Omnis

Batman Clear Chapter 2 using Nigel the Bat

True Haggler Earn at least 100,000 G in total item sales.

Kling of the Clink Serve time in Toussaint.

I Don't Speak Kreon! Complete Act 3 without using mission select.

Two Birds with One Stone Destroy two or more enemy robots at once with the LFE gun.

Dirty Secrets Finish Chapter Three

Close Encounter Kill 10 alien Necromorphs.

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