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Gain a Foothold Regroup with Faye Lau in the Base of Operations.

Flawless Freeflow Fighter Complete one combat challenge without taking damage

Humanitarian Kill 50 human enemies.

Weapon Master Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.

The Primal Riddle Obtain a key by completing the sixth Riddler trial.

Scar of the Bat Cure the doctor.

Days of Fire Extinguish the fires in Gotham City.

Together Till the End Finished the game in Duo mode.

Savage Metal Smash 10 militia transport vehicles off the road without using the immobilizer.

Touch of Death Apprehend the weapons dealer and lock him up in GCPD.

Rip and Tear Glory Kill all common enemy types in the campaign.

Argent Overload Fully upgrade Health, Armor, or Ammo capacity

Looking for Group Join or create a group.

Lunar Lieutenant Reached level 10.

Historian Find every audio diary

Top Cat Raised Kat's reputation to “Top Cat.”

Without a trace Respect the past.

The Doctor Rescue and extract Dr. Jessica Kandel.

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

An Old Friend Acquire the BFG

Ancient Game Hunter Defeated the rare Nevi in Rift Planes: The Ruins.

Skeet Shoot In the Main Campaign, killed 5 enemies while they are falling.

Going Underground Discovered every manhole.

A very special day Kill 250 zombies with modified weapons.

Dust Bunnies Complete all the jobs and beat the boss in Episode 2.

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

No raccoons in here Complete act 2.

What lies in the deep Find the shark.

Seriously Good at This The player has completed the game on the Hard difficulty setting

The Monster Machine Track down and apprehend the serial killer.

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

Busy, busy, busy Finish 75 quests cumulatively.

Specialist Earn the Mastery for a weapon mod

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

Pitching Machine Hurled 10 objects into enemies without missing or taking damage.

Racing Be faster than the Sentinels.

Foe To Friend Use an enemy combat robot to kill 10 enemies.

Wrong direction The other way was safer.

Gravitational Anomaly Defeated 8 enemies with one special attack.

Shoot it Until it Dies Defeat the Cyberdemon

The Captain Rescue Captain Roy Benitez.

I Gotta Believe! Complete Arcade Mode with PaRappa

Gotta find'em all Find 60 collectibles.

Thorough Shopper Complete all Challenges for a single mission.

Uncontrollable Took every opportunity to be evil as Aiden.

Good intentions Try to undo a mistake.

Hold your breath Use only one bubble in the underwater cave.

Bigfoot For Real Track down Sly's long lost Cooper relative in Episode 3.

Explorer Found all the bonuses.

Bite the dust Break the five strange statues.