FilliamHMuffman

That Sucked! Defeat the mutated Dimitrescu.

Get the Ball Rolling Solve a Labyrinth.

Plastic Prison Breakers They had no way out.

Industrial Accident In the Main Campaign, killed 20 enemies with a Sky-Hook Execution.

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

Crafting Volt Walkers Crafting Volt Walkers

Photographer Use Photo Mode.

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

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

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Arkham City Sirens Drop in on an old friend

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Got No Strings Defeat Donna and Angie.

Glorious Coronation Glorious Coronation

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

The Chosen Few Uncover the remains of all Jacob's disciples

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

Serving Barbarians Serving Barbarians

Fish Out of Water Defeat the mutated Moreau.

Bug Sized Relaxation Release that tension at the root level.

A New Battle Begins Achieve ending B.

Chip Collector 80% of all plug-in chips collected.

Faraway Frequencies The truth was out there all along!

Up Urs! Defeat Uriaș in the stronghold.

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

King's Vengeance King's Vengeance

Final Wish Watch 2B die.

Treacherous Blade Control A2 for the first time.

King's Grudge King's Grudge

Iron Giant Down Defeat the mutated Heisenberg.

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

Repairer Combine a treasure into its complete form.

Great Dad Finish the story on at least Casual difficulty.

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

Laying Down the Law Kill 6 enemies with the Revolver without reloading

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

A Scanner's Power 100 machine lifeforms destroyed by hacking.

Farewell, Pascal Grant Pascal's final request.

Justice Stop all resource recovery units.

Crime and Punishment Watch the final moments of Devola and Popola.

Ding! Champion Earned level 50

Lost And Found Again? Keep track of your kids!

Beautiful World Achieve A2's ending.

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

Tools of the Trade Any weapon upgraded to the highest level.

Leaving for the New World Achieve 9S's ending.

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

Artilleryman Kill 20 enemy players in multiplayer using a turret.

A Trusty Old Friend Kill 5 enemies within 10 seconds using any rifle

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