Gless

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

Frequent Flyer Zip Kick 5 different thugs

What a Nightmare Clear the Nightmare Train stage in Scenario Campaign Mode.

Safecracker Crack all safes.

Grave Robber Collect all Death Cards in the game. (Solo only)

Familial Ties Swore an oath with Hong Jing.

Kat Working Overtime Completed 40 side missions.

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

Only at Eighty Did I Finally Return Reached Level 80.
32/80

High Wind Alert Defeated 10 enemies within 10 seconds using one Gravity Typhoon.

Scenario Expert Clear all of the stages in Scenario Campaign Mode.

Upgraded Assistant Upgrade Alisa to the highest possible level.

Merit beyond Measure Received a sworn brothers' boon for the first time.

Repossession Seize 50 vehicles from enemy hands.

The Steadfast Duo Swore an oath with Xiahou Dun and Xiahou Yuan.

Honor Bound Bind a piece of gear to a class.

KamuroGo Local Completed 30 KamuroGo City Missions.

Skilled Commander Perform 50 All-Out Attacks

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

Event Horizon Defeated 10 enemies with one Micro Black Hole.

Hero of Thyme Complete Overcooked! and save the Onion Kingdom!
0/30

Sewer Aficionado Discovered every mysterious warp manhole.

Fearless Warrior Swore an oath with Zhang Liao.

World Renowned Chef Discover all locations/ levels in the main games
0/36

Brain Field Expert Raised the EXP bonus to the maximum.

Pipe Coordinator Placed 9 types of furniture in Kat's Pipe House.

Entrusted Legacy Swore an oath with Lu Bu.

Persona Shopper Buy a Persona from the Compendium

Eye of the Tiger Win 15 matches in Survivors.

Best Friend Maxed out a BOND skill level.

Ruthless Kill 15 enemies while mounted on a tank in 'Ring of Steel'.

Accept This As A Gift Earn one of each favor.

Rooting For You Win a kitchen in Versus Mode

Power Hungry First class switch.

Food Critic Throw 5 Tomatoes at another player
0/5

Now that is what I would call a multi-kill! Kill 7 enemies within a very short time using only your primary weapon.

Aspiration and Amity Swore an oath with Liu Bei.

Hot Potato! Throw back a live grenade.

Jolly Roger Obtained all Master Arts for Skull.

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

Heroes Will Rise Repelled Xielong in "Centuries of Glory Burned Away."

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

Dreams of Unity Swore an oath with Yuan Shao.

Keen-edged Upgraded a weapon to its fullest capacity.
0/9

Make That Money Exceed 10 billion yen in capital for Kasuga's company.

Annihilator of Evil Defeated Yu Ji.

Receiver of Protection Initiated Assault Visions 20 times.

One Will Gathered all party members.

Pound It Called for Poundmates 30 times.