Potamoon

Bob and Weave Counter an enemy's attack three times in row.

Who Gives a Puck Obtain your first bounty

Death by Design Obtain a key by completing the seventh Riddler trial.

An Old Friend Acquire the BFG

Mechani-Cool Unlock 10 Vehicle Parts via hijacking.
2/10

Hardcore College Student Complete Claire's story on "Hardcore" game mode.

Minimalist Clear the game without opening the item box.

Avid Shopper Purchase all items from the supply shack

Hardcore Rookie Complete Leon's story on "Hardcore" game mode.

No Man's Land Complete all Rift missions.

Forsaken Supply Raider Complete a game of Supply Raid on Bookstore, Home Town, Suburbs or Bus Depot

Cleaning Up Refresh the Refresher

Best of the Best Beat IW best time on the Ship Training course in 'F.N.G.' (15.1 sec).

The Monster Machine Track down and apprehend the serial killer.

The Riddle Factory Obtain a key by completing the eighth Riddler trial.

The Road Home Destroy all of the militia APC's.

Lore Explorer Read all of the files.

IPXSETUP.EXE Win a Multiplayer match

Specialist Earn the Mastery for a weapon mod

Tied loose end Deal with Tahir

Jack of All Trades Collect all of BT's loadouts in the Campaign

Normal Is Good Complete the entire game on Normal.

Devil Of The Caribbean Defeat all 4 legendary ships.

Skywalker Keep your feet off the ground and walls for 60 seconds

Shoot it Until it Dies Defeat the Cyberdemon

Thorough Shopper Complete all Challenges for a single mission.

Flame On! Destroy a Titan with your Flame Core in the Campaign

Here Kitty-Kitty Complete the Black Cat chase

Phantom Limb Complete "PHANTOM LIMBS" mission.

Choreography Perform 10 Co-op sync kills.

Compulsive Complete every Challenge

Don’t Go - Normal Finish Left Behind on Normal

The Student... Beat Pilot Anderson's Gauntlet ghost recorder time

For the Path Protect Pilgrim's Sanctuary

Key to the Past Croft Manor: Acquire the Master Key

Face Melter Destroy a Titan with your Laser Core in the Campaign

Lethal Pursuits Obtain a key by completing the ninth Riddler trial.

Vertigo Activate the Amplifier

Bye Felicia Complete the "Follow the Money" mission

Combat tested, Doomguy approved Reach Level 5 in Multiplayer

No Stone Unturned Achieve 100% game completion

Share the Wealth Get all the rewards in a Co-op mission in Paris.

Relic Hunter Croft Manor: Collect 50% of the Relics in Croft Manor

Vasilisa's Lanterns Baba Yaga: Complete the Challenge in the Wicked Vale

Meet the Crofts Croft Manor: Collect 50% of the Documents in Croft Manor

Endure and Survive Collect all comics

Long Way from Texas Complete D-Day.

My Name Is Earl Buy 20 cosmetic items from Crazy Earl.
5/20

Now You Can Come In Find Camden

An Old Internet Meme Renovate all the Social Clubs and complete all the Social Club missions.