CHDMC

Undertaker In The Final Reich, kill the Bomber with the shovel.

Diamond Medal Defeated all bosses using Diamond Knack

Librarian Find all 70 hidden Diary pages.

We Will Survive Win 15 matches in Team Survivors.

Old world pictures Find all 21 post cards.

Tour Guide Discovered all of the sites in Jirga Para Lhao.

Tour Conductor Discovered all of the sites in Hekseville.

Why Aren't You Laughing? Joker must defeat Batman with the final hit coming from Not So Funny Is It?

Yes, Very Subtle In solo play, complete a level without using your Abilities, including rush and melee

Top Of The Food Chain You successfully killed 20 players with a pistol in a deathmatch.

Bronze Medalist Completed all challenge missions with bronze or better.

Peaskeeper Earn 200 vanquishes as a Peashooter

Solace Bring peace to the Grey Mourner

Decrypted Complete Jackal Canyon in the Campaign

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.

Throttled Escape Escape using a relic in Regular or Hardcore difficulty.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

God of War Awarded for overcoming 50 skirmish challenges.

And STAY Down Perform 50 follow-ups in the main campaign.

Local Detective Cleared 30 side cases.

Tinkerer Construct 50 Engineering Items

Lovers Quarrel Green Arrow must defeat Black Canary with the final hit coming from Target Practice

Dance of the Praying Mantis Throwing enemies around makes handling big groups easier. (Ignored in training mode.)
1/15

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

Hipster Collect a total of 50 pieces of Epic Gear, excluding shaders

Dream Big Awarded for surviving 10 Dreamer's Doors.

Tidyman Spend 500 chemical resources on cleaning weapons.

Silver Medalist Completed all challenge missions with silver or better.

Greed Get rich while ice picking

Sniper Kill 50 enemies at long distance.

No Longer Friends Cyborg must defeat Robin with the final hit coming from Apokolips

It's Art Find a permanent home for the squirrel statue.

Knack Master Completed all chapters on Very Hard difficulty

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

Turnabout Samurai Clear Ep. 3 of PW: AA.

Revenant Reaper Defeat 100 Revenants in the main campaign.

Stay Down Knock an opponent into an Arena Transition 25 times

“Worlds of Hurt” – Expert Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

Every player succeeds in a Party Round Awarded when every player successfully completes a Party Round.

Sorry, we’re DEAD In Shadows of Evil, kill 10 zombies that are inside of a store in one game.

One-Winged Angel Defeat Sephiroth in the Platinum Match at Olympus Coliseum.

Grin and Bear it Survive 18 bear attacks and kill the bear each time in Story Mode.

Gold Medalist Completed all challenge missions with gold or better.

The Maze Travel into four rooms to open the maze gate

Splinter Ray Go through "Mansion of the Deep" without crossing any light from a Dark Sentry or touching any laser

Level Master Get Sora to Level 100.

Rift Hunter Defeated the five giant Nevi that appear with mining site gravity disturbances.

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade

Hey, not too rough Finish the Campaign on any difficulty

Fast and Furious You defeated the horror at the sawmill in less than 1 minute and 30 seconds.