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Pieces of the Puzzle Obtain a key by completing the second Riddler trial.

Judgment Day Win the rumble down under.

Rebirth Finish the game and return to the beginning.

Fear of Success Survive Scarecrow's ambush.

Meditation Maestro You reached a higher state of mind.
Or at least some peace and quiet.

Snackosaurus Now look who's extinct!

Mood Swing Took things a bit too far, didn't you?

Be Not Afraid Win the war for Gotham.

Something Fishy Don't feed the animals! Or do, they're adorable.

Pimp My Sidearm Fully mod a weapon.

Duck If You Love Life Avoid Jack's scissor attack by crouching.

Houdini Got arrested three times and escaped each time.

Back Off, Mrs. B! Fight off Marguerite while she wanders the old house to make her run away.

Breach Leap from the water.

The Cat and the Bat Obtain a key by completing the third Riddler trial.

The Nightmare's Finally Over Complete the game on Normal.

A Friendship Resurrected With friends like this who needs enemies?

Master of Fear Wayne vs Crane.

Catching up on some reading Collect one Field Manual in the campaign

Jekyll & Hyde Stop the bank heist on Miagani Island and lock up the master mind in GCPD.

Aiden's Apocalypse Destroyed the gas station, the church, the gun store and the helicopter.

Out Before Dessert Complete the "Happy Birthday" videotape within 5 minutes.

Double Jeopardy Face off with an old friend.

Minigame Megalomania All minigames found!

To Greener Pastures Complete Chapter 2.

Up close and personal Perform a melee kill on 10 enemies anywhere in the campaign

Cycle of Violence Use 100 Quick Gadgets while in free flow combat.

Vive le Revolution Liberate a Province.

Saved All Saved every character that could be saved.

Power Couple You are unstoppable, nothing stands in your way!

Doing Pink Eye a Big Favor Build two projects in Pink Eye's Stronghold

The Saint Complete a Death Run in an Archangel

Riddler on the Rampage Obtain a key by completing the fourth Riddler trial.

The Cult Save the sacrificial victim and lock up the executioner in GCPD.

The Root of the Problem Stun 10 different enemies using a Mandrake
8/10

Eternal Return Experience a new cycle after death

That's a Spicy Meat-a-ball Kill an enemy by attaching a Remote Bomb to them and detonating it.

Jeet Thrives Reduce threat to 0 in the Balefire Flatland region around Jeet's Stronghold

1st Place at the Science Fair Create all items that contain Chem Fluid and Strong Chem Fluid.

Breakout Red Dead Online: Complete the Intro.

The Burning Question Obtain a key by completing the fifth Riddler trial.

Flawless Freeflow Fighter Complete one combat challenge without taking damage

Scar of the Bat Cure the doctor.

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

Getting it in Gear Earn at least 3 Gears in a Challenge.

Days of Fire Extinguish the fires in Gotham City.

The Smart Driver Complete a Scatter Death Run

Scene Stealer Execute 3 Surprise Strikes.

Together Till the End Finished the game in Duo mode.

Locked and Loaded Upgrade each available component for a single sidearm or longarm weapon.