Rojoco

Think Fast Kill 30 Necromorphs with Kinesis objects

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

10 Minutes of Create Spend 10 active minutes in Create mode

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

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

XIX - Heart of Fire Reach Level 50 with Arca.

Double, Double, Toil And Trouble Create 20 Concoctions.

XX - Silent Old Sanctuary Reach minute 31 in the Dairy Plant.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

Greatest Jubilee See the final fireworks.

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

XIII - Wicked Season Reach Level 50 with Christine.

Player's Player Find and pick up every fish, paintbrush and cocktail umbrella on your journey.
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“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

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

All Hands on Deck Complete the Fishing Boat bow, steps and main deck first

XII - Out of Bounds Reach minute 31 in the Gallo Tower.

Flying Dragon's Trophy Slayer of Demon “Blue Flying Dragon”

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

Never Saw It Coming While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.

Wicked Weave Master Execute 20 Wicked Weave attacks while using Dodge Offset.

Bracelet Survive 30 minutes with either Gallo or Divano.

Victory Sword Defeat 100000 enemies in a single run with Queen Sigma.

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Chapters 12-13 (Normal) Complete Chapters 12 and 13 on Normal difficulty.

Motherly Ties Put a grieving mother's doubts to rest.

The Nutcracker - Sweet! Incapacitate an enemy, then shoot them in the testicles

First Step Complete your first mission in Jimmy's Vendetta.

Chain Reaction Damaged fifteen foes with an exploding enemy, using the Radar Range in Burial at Sea - Episode 1.

Dream Team Complete all the main quests cooperatively with any number of partners

Wonderplane Workout Show off what you've learned and finish the Wonderplane's final challenge!

Aerial Superiority - Kill 5 Helghast while in the air Killed 5 Helghast while airborne using the Jetpack

Romanov This! Destroy a Romanov with a melee attack.

EXTRA: Celestial Voulge Evolve the Glass Fandango.

Double Punch Kill 25 shielded enemies with a Stun Blast then Plasma Blast combo.

Tough as They Come Purchase all Health Upgrades.

The Sampler Platter Kill a Necromorph with every Weapon in the game (single player only).

Liberty City Minute You finished the story in less than 30 hours.

It's an Order Mark 100 opponents which were then killed by your co-op partners

Light 'em Up Use the flamethrower

Shock to the System Use the stun baton

Double Trouble - Reach the river in Co-op Made it to the Corinth River in Co-op mode

Queen Sigma Complete the Collection 1.0

True Marksman Win a match with Green Arrow using only arrows

New Challenger Join and complete an Online Tournament match

Lost Property No crimefighter should be without this

Caught in the Trap Complete the sixth mission

Back Off Cause the Alien to retreat by using the flamethrower