Dweemis

Get the Ball Rolling Solve a Labyrinth.

Arkham City Sirens Drop in on an old friend

Photographer Use Photo Mode.

Power Cycle Participate in 5 different City Games

It Took Two You did it! CO-LLA-BO-RATION!

Dragon Slayer Complete the mission "Best Minion Ever".

Darkness Looms Complete the final mission of the Missing Persons Investigation

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Down Boy! Kill a zip-lining enemy player in multiplayer.

Strategist Defeat at least three enemies with one attack in the story.

Freefall Don't look down

Self-Mastered Activated 50 ability nodes.

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Geolocated Check in at every Hotspot

Exit Stage Right All the world is a stage

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

Got No Strings Defeat Donna and Angie.

Revoking Client Privileges Complete the final mission in the Human Traffic Investigation

Chosen King Defeated Ifrit on Normal difficulty.

Tag 'em and bag 'em Find Rojas in the Favelas.

Peephole Complete every Privacy Invasion

Research PhD Max out all possible research

Saturday Night Special Complete the final mission in the Weapons Trade Investigation

Bug Sized Relaxation Release that tension at the root level.

Faraway Frequencies The truth was out there all along!

Basest Base Complete every Gang Hideout

Fish Out of Water Defeat the mutated Moreau.

Stealth Cookie Complete an Online Tailing without being detected

Total Party Kill Kill 5 enemies with friendly fire

Raising Expectations Reach a combo of 100

To the Nines Restore and equip a matching vestige outfit

Avid Inventor Successfully invent at least 100 items

Up Urs! Defeat Uriaș in the stronghold.

Realize Your Art Isn't it pretty? That's going on the fridge.

Temporary Measures Place the Giant's Chalice in the ceremony site.

Platforming Prodigy Helltower? More like hello-from-up-here-tower!

Challenge Accepted Complete all tiers of a challenge

Artilleryman Kill 20 enemy players in multiplayer using a turret.

Royale with Cheese Defend Burger Town.

A Road Less Traveled Complete the mission "The Road To Sanctuary".

Force Triangulated Breathe some wind into your ocarina, my skyward princess!

Lost And Found Again? Keep track of your kids!

Iron Giant Down Defeat the mutated Heisenberg.

The Root of the Matter Find the Megamycete in the underground ruins.

Great Dad Finish the story on at least Casual difficulty.

Better Than You Were Reach level 10.

Terror Of The Seven Seas Scurvy! Ye look smashing, captain!

Repairer Combine a treasure into its complete form.

Meditation Maestro You reached a higher state of mind.
Or at least some peace and quiet.