Scargonar

Head Games Rescue Mad Hatter's second hostage.

Career Criminal Attain 100% Game Completion.

Master Architect Build three houses

In Storybook Endings Lock up Mad Hatter in GCPD.

Locked and Loaded Develop 300 or more development items.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

Spelunker Complete one Tomb of the Fallen

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Perfectionist Cold Darkness Challenge: Shutdown all the towers without making any mistakes

The Beast Beneath Defeat the prisoners.

Fast Reflexes Endurance Challenge: Destroy 3 ceiling spike traps after being caught in them

Breaking the Skin Gain access to the high security area.

Evolution Lockup Killer Croc in GCPD.

I Can See Through Time Meet Kupuna-Wa

There Is Always Hope Completed the Solo Story

His Full Attention Freedom Cry - Achieve 100% synchronization

Deterrence Develop a nuclear weapon.

Cold Case Interrogate the Militia Lieutenant.

Achieved Complete all SIDE OPS.

A Dinner for Two Endurance Co-op Challenge: Eat the meat of 3 wolves with your partner

Out in the Cold Track down the cryopod.

Happy Camper Endurance Challenge: Survive for 5 days

The Resurrection and the Life Survive the Militia onslaught.

Who Needs a Map? Endurance Challenge: Locate 5 crypts

Disarmament Dispose of a nuclear weapon.

Still Tastes Good Endurance Challenge: Eat the meat of 5 wolves that were killed with poison damage

Rough Justice Stop Penguin's escape from GCPD.

Deployment Complete all key Dispatch Missions.

Nature Retreat Endurance Challenge: Survive for 7 days

Accomplished Complete all missions.

Faster Than a Tortoise Earn any Time Trial Relic

IT’S MESSING WITH MY HEAD, MAN!!! Beat a level in N. Verted mode

The Fourth Time Defeat Dr. Neo Cortex

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

Great Outdoors Endurance Challenge: Survive for 10 days

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

All Snug in Their Beds Uncover the secret history of the park.

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Great Haul Endurance Challenge: Escape the forest after surviving 10 days, with at least 10 Relics

So-Called Perfectionist Earn any N.Sanely Perfect Relic

Sisters of Athena Endurance Co-op Challenge: Kill a combined total of 25 enemies in a single Expedition

Ups & Downs Meet Ika-Ika

Sisters of Artemis Endurance Co-op Challenge: Kill a combined total of 10 dangerous animals in a single Expedition

A Blade of Memory Destroy all Teeth, Balloons and Jack-In-The-Boxes.

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

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner