Kallis

Reminiscence Obtain all memento photos.

Architect Construct all available platforms for Mother Base.

Tiny hoard Get a total of 10,000 Coins.

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Twice Nightly Complete New Game Plus

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Notorious Red Dead Online: Reach Rank 50.

Cleaning time! Suck up all toys using the vacuum cleaner.

The Last Laugh The joke's on who?

One against all Complete a Quick Race in Multiplayer mode.

Fine work Upgrade the Rarity of one Rare vehicle.

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

Chain Reaction You exploded 10 vehicles in 10 seconds.

It's Christmas every day! Create and give 10 toys to the AR Bots using a Companion Device.

Modern Art Create a toy on your Companion Device using at least 5 colors.

Rolled Over You managed 5 car rolls in a row from one crash.

Deterrence Develop a nuclear weapon.

Achieved Complete all SIDE OPS.

Manhunt You completed the most wanted side mission.

Disarmament Dispose of a nuclear weapon.

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

Finish Him You completed 10 melee counters in 4 minutes.

Accomplished Complete all missions.

Not kidding! Reach the podium in a total of 30 Quick Races (not unlockable in Split Screen mode).

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

Infiltration Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck

Liberty City (5) Your friends all like you above 90%.

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

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

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

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Reminiscence Recreate all scenes in the "Déjà-Vu" Extra Op

Take the stage Validate a Track in Track Builder mode.

I need more! Get a total of 2,500 Gears.

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

Tell no one Meet the requirements of a Secret Event.

Depth Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets

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

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

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

TLAD: The Lost Boy Become leader of The Lost. (The Lost and Damned)

Conservation Extract all wild animal species.

Gladiator school Survive 15 consecutive waves with each of the 4 characters.

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

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Like lightning Use the Boost for a total of 30 minutes.