Killahead

An Unguarded Moment Completed Episode 20.

Siren Song Rescue pirate hostages by distracting enemies with "dancers."

No Rest for the Virtuous Completed Episode 21.

Be Not Afraid Win the war for Gotham.

Catcher Crusher Defeat a Catcher.

Irritable Bowels You shat your pants during a boss battle.

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

We Need You Complete Episode 2: Amelie.

Master of Fear Wayne vs Crane.

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

Double Jeopardy Face off with an old friend.

I'm all that! Win a ranked match in every multiplayer mode.

Vive le Revolution Liberate a Province.

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

50 Kills: Dragon Sniper Defeat 50 enemies with the Dragon Sniper.

Beat School: Triumph Horns A few notes with a huge result!

Beat School: Brass Knuckles Put up yer dukes, and make a funky horn loop!

Beat School: Jazz Hands Swing to the beat of the cool jazzy brass riff!

Beat School: Battle of the Saxes Practice your sax skills by creating this cool phrase.

Beat School: Blow Your Own Horn Learn the brass basics by constructing this simple trumpet loop.

Avenger You defeated 3 enemies in one battle while your buddy was knocked out.

American Dream GTA Online: Own an Apartment, Garage and an Insured Vehicle

Wrath Machine Collect all the Wrath Powers

Stick Savior You defeated Princess Kenny and recovered the Stick of Truth.

Personal Bag Of Tricks Finish a game session with an ability set that you customized in Multiplayer.

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

Get Used To It Die for the first time.

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

Dejamminated Completed the mission "Systems Jammed".

Hohokum Remix: Guitar Loops Sculpt these ethereal guitar and bass melodies.

Hohokum Remix: Bass Build your own bassline from this pulse.

Hohokum Remix: Synth Loops Complete the mix with a splash of analog electronics.

Hohokum Remix: Drum Loops Rearrange the drum loops to make something fresh!

Hohokum Remix: Drum Kit Can you use these dreamy drums to make a beat?

Destroyer Fully upgrade the Jackdaw.

Shopaholic You have collected half of the available costume sets.

Beat School: Something Smells Funky in Here! Time to do the funky laundry!

Beat School: Interstellar Funkonauts May the funk be with you.

Beat School: 3001 A Bass Odyssey Take this bassline for a spin around the galaxy!

Beat School: Set Phasers to 'Funk' When the mothership is under attack, fight back with a funky loop.

Beat School: Mission to Planet Drums 3, 2, 1... funk off!

Animal Cruelty You've farted on animals 25 times.

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

Gem Collector Collected a total of 20,000 precious gems.

Bare-knuckle Slugger Defeat 50 enemies with hand-to-hand combat.

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

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

Scar of the Bat Cure the doctor.

Days of Fire Extinguish the fires in Gotham City.

Stunt Master Complete all of the stunts on the stunt list.