ExStim

Battle Management Kill 50 enemies using only the Attack Command. (campaign only)

Freedom fighter Free 300 British Prisoners of War

Underground Tour Return to the underground while no mission is active and travel from one end of the catacombs to the other.

Wall of Sparks You killed an enemy with the Wall of Light

An Omnivorous Reader Receive 3 messages from those whom you condemned or absolved.

Top Grade Obtain 10 Upgrades.

Aggravated Assault Stop all assaults in Arkham City

My Grey Matters Finish 45 mini games and puzzles without skipping.

I'm A Marine, Son! Help the marines evacuate

Pancake Parlor Pancaked an enemy in the Stingray.

Sabre Rattler Kill 100 enemies with the Sabre turret.

Crew Cut GTA Online: Complete a Job as a member of a Crew.

Smooth Escape Escape on the water scooter without taking any damage.

Undercover Obtained the Spy costume.

Untouchable Defeat Ratash in the Throne Room wihout taking any damage.

Hussa - Who's gonna care? Finally made it out of Kuvaq.

Torment Me No More Kill the Tormenter

Live With The Hot Ones Kill 30 enemies with the Flamethrower

Invincible Finish the final battle against Ratash without taking any damage.

A House Divided Play as Abraham Lincoln and Lady Liberty.

END OF THE LINE! Shoot Emmet with Robo Skeleton.

First of many… Spend an Attribute Point

Enhancement Develop 50 or more development items.

Helping Hand Transfer 25% of the spirits in the city.

Cortex N. Carcerated Defeat N. Cortex.

That seems about right... I can sort my pigeons without your help.

Wicked Weaver Execute a Wicked Weave attack while using Dodge Offset.

Lombax Magnetic Obtain the Magneboots

Hunter Complete the Hunter Journey

Missing Postage What do you mean “not enough postage“?

Firestarter Make a Fire.

Vox populi, vox Dei Finish Abbey Grange case.

Strickland Would Be Proud Defeat the flight deck invader

New Recruit Obtained the Special Forces costume.

Baby, You're a Rich Man Earned $500,000

Pious Put a total of 10,000 meika into offering boxes.
500/10000

Wayfarer Visit all 9 Realms in Valhalla

Get To the Chopper Don't take any damage during Up In Smoke.

Altruist Acolyte Deliver an unsuspecting victim to the Altruist Cult.

Multi Face-eted Defeated the Empyrean Sentinel.

Billionaire Philanthropist Collect 1,000,000,000 studs (Single Player)

Red Mist Complete all Rampages.

A Very Genki Holiday Complete all instances of Genki Holiday.

DIY'er I can assemble that all on my own.

Mailer Daemon Access your email in 2012.

Got Walkthrough? Find and break every sarcophagus.

The Untouchable Spider-Man Complete any Enemy Base without taking damage

It's Just Business Use Lord Business Legs Machine.

Close Encounter Secure victory in the Battle of Lingshan

Pow Pow! Bullet Bullet! Gun! Defeat 30 enemies as Emmet Cowboy.