HOUNDDOG2001

Oh, the Horror Finish the game on Hard difficulty.

It's Only Business Eliminate Hyman Roth.

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

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

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

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

Anaheim 2 Event Win a Main Event at Anaheim 2 in any game mode

The Diamond Age Attain ‘Magnate’ status in Most Units Accrued

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

The Caped Crusader Win with Batman using every special move and his Supermove

A Yellow Streak Unlock yellow colour

Riders of the Lost Heart Complete Act 2 - Chapter 4 on any difficulty setting

Adios George (Beast form) Defeat George (Beast form)

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

Matador Kill the Rhino without getting hit by his Charge Attack.

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)

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

Rip 'Em Apart! In story mode, kill 100 enemies by cutting them.

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Right in the Grape... Singleplayer: Get 7 headshots in a row with any weapon except the long range sniper rifle.

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

Successor of the Throat Defeat the Successor of the Throat in the Crown of Sand

Butterfly Collector Collect some butterfies.

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

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

Rare Weapons Expert: Pump-Action Killed 20 enemies with a Pump-Action Shotgun

Scoped In multiplayer, get 25 headshots with longblaster rifles.

Master of the Line Beat Clarence Bishop the Third, the Pro Racing heir, in the Rival Event.

Most Wanted Provoked and defeated the security forces in Central Production B

Friendly Skies Defeated all waves in The OPS Zeal.

King of Battle Achieved five-star ranks in all Coliseum Attack stages

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

Feeding the Pig Singleplayer: In Compromised, get 15 kills with the M60

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

GREAT Gladiator You won a GREAT battle.

Fortunate Fighter You earned 3 Lucky Boxes.

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

Wooden Warrior Clear the Subterranean Pavilion stage in Scenario Campaign Mode.

Ran out of fingers Find 11 hidden bags

Where do I sign? Sign a contract with any 450 Sponsor in Career mode

Thanks for coming! Complete a Main Event in a Custom Track created by another player

Keep it up! Race a total of 50 miles (80 km) with any bike

The Original Bouncer You pulled off 10 bound combos.

Eastern Explorer Clear the Kigan Island stage in Scenario Campaign Mode.

Las Vegas Event Win a Main Event at Las Vegas in any game mode

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

Back to School Play any Popit Puzzle whilst wearing a Newton costume

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

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