DylanTwee

Revenge Revisited Complete Story Mode on hard difficulty.

Long John Peter Complete the "Long John Peter" level

One of Each Use every Freeflow Focus gadget in one combo

Best...Alternate...Ever! Unlock Mileena's 3rd Alternate Costume

Pt Achieve a Platinum Medal in all Events.

The Cleaner Get a 10 kill streak in Deathmatch

Flawless Display Successfully battle Shiva without taking any damage

Better With a Friend Solve all case files in Co-op mode

Born Dead Kill all the soldiers of the Epilogue before they spawn.

Roadhouse Kill 3 members of the opposing team with a melee attack before you die in Multiplayer

Adult Content Take an extremely erotic picture.

Employee of the Month Kill Vernon

Teabaggin' Taunt 25 times in any Multiplayer match

I Only Need a Hand or Twenty Elika saves you fewer than 20 times in the whole Epilogue.

Grease Can't Save You Now Win a Capture the "Greased-Up Deaf Guy" match

Santa's Sweatshop Complete the "Santa's Sweatshop" level

City of Light Reach Paris Mastery Level 20.

Master of the Tear Double Teamed with every Drowning Doom unit

Lockdown Shut out the other team from scoring in Capture the Greased-Up Deaf Guy

Stewie-nator Kill 500 enemies using Stewie

Bird is the Word Taunt 5 times in a row with Peter

Ultimate Humiliation Perform every fighter's hidden finishing move

Penny Pincher Collect $50,000 in Story Mode

Chickens In Space Complete the "Chickens In Space" level

Chicken Fight! Complete the "Chicken Fight!" level

Break the Bank Complete Golden Handshake.

Amalfi Pearl Reach Sapienza Mastery Level 20.

Favored Acquired 3,000 Fire Tributes

Full Deck Collect all combo cards

Platinum Trophy Obtain all trophies.

Master of the Blood Double Teamed with every Tainted Coil unit

Island and Chill Complete The Last Resort.

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

The Competitor Complete 200 Versus matches (online OR offline)

Bestest Infiltrator Win an Infiltration map

Improper Behavior Spraypaint all Zombrex posters

Safety Check: Failed Use the amusement park rides to kill 10 zombies at once.

Perfectionist Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.

Wrecking Ball Smash your opponent into something 20 times in the "Chicken Fight!" level

No Place Like Home Complete the "No Place Like Home" level

Miami Wise Reach Miami Mastery Level 20.

Save the Girl Rescue a damsel in distress from the Twin Terrors.

Overkill Completed all hunting secondary missions

Save the Girl... Again Save the damsel in distress a second time.

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

IEDead Kill 60 enemies with grenades/explosives

Dark Tourist Reach Santa Fortuna Mastery Level 20.

Technological Terror Destroy a "harvester."

Help From My Friends Use the collectible special inventory items 25 times in Story Mode