SynthLore

Knot Too Difficult Clear up a tangled situation in one attempt

Blitzball Master Unlock all slot reels

Battering Ram Shield Bash 5 different thugs

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

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

Combo Fanatic You pulled off a 50-hit combo.

Paving the Way Completed "Paving the Way"

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

Frequent Flyer Zip Kick 5 different thugs

Safecracker Crack all safes.

Full House Kill 5 enemies with each type of Agony Bolt.

Operation: Anchorage! Completed "Operation: Anchorage!"

Succession Plans Break into Hell's Gate HQ and apprehend Two-Face.

Mutie Blues Complete Blue Line Station in the Campaign

Fully Loaded Maxed out all upgrades

Chocobo Capture a Chocobo

Top Rank Reach SeeD rank A

Let me in! Use the shortcut in Tiger Temple.

Phantom Choreographers Watched a replay.

Wandering Dragon Reached level 10 with Kasuga.

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

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

Upgraded Assistant Upgrade Alisa to the highest possible level.

Samurai Raised All Combat Reflexes to Master Level

Honor Bound Bind a piece of gear to a class.

Lots of Whacking Win a game of Alien Abortion in the strip club

Welcome To The Gun Show Collect all level 2 and level 3 firearm upgrades.

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

Repossession Seize 50 vehicles from enemy hands.

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

Scorched Earth Complete 'Burn 'em Out' on Veteran difficulty. (Solo only)

Groundbreaking Use every interactable and win in a multiplayer match

Ragnarok Find Ragnarok

Honor Holds Us All Together You completed the debate with Otar Botkoveli.

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

Octacide Defeat the Octaking

Devil's Brigade Found all Dog Tags in the game

A Mountain of Treasure Unlocked all ???s in Collection.

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

"It" Kept You Busy Defeat Pesanta in Separate Ways.

Eye of the Tiger Win 15 matches in Survivors.

Accept This As A Gift Earn one of each favor.

Fork the Pork Kill 6 aliens with the forklift

Cardboard Companions You found all of your cardboard buddies.

Combo Specialist Find every combo in the game.

Every Nook and Cranny Collect every collectable in the game.

Tonberry Unlock Guardian Force Tonberry

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

Passion for Fashion Obtain all costumes.

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