SilverDelSol

Blade of Death Killed 20 enemies using Throwing Knives

Brutality Bonus Destroy a Romanov's arm and leg before finishing it.

MOD Tinkerer Have every Gear MOD active for at least 1 minute each.

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

The Throwdown You convinced the smooth-talking politician Bill Taggart to tell the truth in public.

Arctic Hurdler Use the shortcut in Polar Pass.

Can't Stop This Win an Invasion 1v1 fight

Aiding the Outcasts Completed "Aiding the Outcasts"

Studious Explorer You've discovered 40% of the Explorer Notes on the ARK!

Killer Croc Have the final hit come from the crocodile in Slaughter Swamp

War-hardened Achieve at least 1 rank in a tier 3 skill.

A Friend in Need Play Co-op mode

On the clock Beat the qualifier time on any Time Trial stretch

Atlanta Event Win a Main Event at Atlanta in any game mode

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

Tower Master Complete 10 Living Towers

East Coast Champion Reach the podium in the 250 East Championship in Career mode

Gunslinger Assassinate General Amsel with a pistol shot. (Solo only)

Going Ape Throw 3 kegs during a match with Gorilla Grodd at the Ace o' Clubs

L'Cie Paragon Earned a 5-star rating for all Cie'th Stone missions.

Faction Champion Reach level 50 in any faction

Great Outdoors Endurance Challenge: Survive for 10 days

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

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

The Fall You sent Diamond Chan on the trip of a lifetime.

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

Hole-in-One Destroy a Chicane with a hand grenade.

Showing Who's Boss! Hit 50 Hoard minions in Story mode with any weapon

West Coast Champion Reach the podium in the 250 West Championship in Career mode

As Luck Would Have It... Destroy 800 Props With One Hero

Veteran Paleontologist You unlocked the Dossiers of each of ARK's initial Specimens!

A Yellow Streak Unlock yellow colour

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

The Guns of Anchorage Completed "The Guns of Anchorage"

Best of the Bunch Earn the MVP award in any Online Tournament match

Battering Ram Shield Bash 5 different thugs

Rexecutioner Destroy the Metal Gear REX boss

Ran out of fingers Find 11 hidden bags

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

Anaheim 1 Event Win a Main Event at Anaheim 1 in any game mode

Blue Ribbon Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)

Time for Pints Finish the Campaign on any difficulty.

I HOPE You Survive Green Lantern must defeat Atrocitus with the final hit coming from Mechanized Assault

Frequent Flyer Zip Kick 5 different thugs

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

Scoped In multiplayer, get 25 headshots with longblaster rifles.

Daytona Beach Event Win a Main Event at Daytona Beach in any game mode

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

Samples are a diver's best friend Extract with at least 15 rare samples from a mission as a team.

Old Fashioned Beat Down Complete HARM Challenges I to V