Humpty_M_Dumpty

Stealing the Spotlight Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.

A Golden Opportunity Complete all Mission Stories in A House Built on Sand.

Learning the Ropes Play all four Multiplayer Game Modes

Giddy Up Yee-haw to the hoedown.

Sapienza Escalated Complete Level 5 of an Escalation Contract set in Sapienza.

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

Soup Sandwich Ram Rose and Parvati, make Berg blow himself up and drown Graves.

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

Drop the Bass Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

One Night in Bangkok Reach Bangkok Mastery Level 20.

Specter Officer Reach max level with one class in the Cooperative campaign.

Electric Whisper Learn how to craft Electric Arrows

Party-pooper Sabotage the wedding.

A Series of Unfortunate Events Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.

Mission Complete Reach Colorado Mastery Level 20.

Utility Man Complete all Missions intercepted from cellular tower signals

Moneybags Have 15000 credits in the bank in Outbreak.

Sayōnara Reach Hokkaido Mastery Level 20.

Break the Bank Complete "Golden Handshake."

Roadblock In chapter 4, defeated Motormaster while racing him.

Rag Doll Apprentice Earn Bronze on all challenges

Marrakesh Escalated Complete Level 5 of an Escalation Contract set in Marrakesh.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

All Star Get 100 Stars in S.T.A.R. Lab Mode

Around and Around We Go Perform every level interaction once

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Colorado Escalated Complete Level 5 of an Escalation Contract set in Colorado.

Rookie Squad Complete a map in Co-Op.

Silent Sniper Complete The Last Yardbird as Silent Assassin.

Bangkok Escalated Complete Level 5 of an Escalation Contract set in Bangkok.

Island and Chill Complete The Last Resort.

New Superpower Complete all China Rising Assignments

Professional Reach Rank 10 (Ranked Match)

Hokkaido Escalated Complete Level 5 of an Escalation Contract set in Hokkaido.

Double Trouble Complete The Pen and the Sword in Multiplayer.

Burgertown Escort Service Rescue 1 survivor in Infection.

Save the Poet Complete The Pen and the Sword in Single Player.

Come On And ... Slam 10 zombies at once in Outbreak.

Alright, Alright Survive until round 10 in Infection.

Survivor Survive until Round 25 in Outbreak.

Street Fighter Complete all Dragon's Teeth Assignments

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

The third faction Rescue all the Buddies from their respective predicaments

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Falcon and the Snowman Complete Crime and Punishment in Single Player.

Two for One Complete Crime and Punishment in Multiplayer.

Under the Radar Select a Starting Location and use an Informant to smuggle an item into Milton-Fitzpatrick.