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Mental Athlete Solve 70% of Riddler challenges

With Time to Spare Defeat Stage 4 G with 4+ minutes left until detonation.

Ares Who? Kill the dissenter

Inner Child Abuse Defeat your inner self

Fool's Gold Kill King Midas

Guardian Angel Successfully escort ten friendly cargo shipments.

Straight Flush Survive the vortex

Godlike Unlock all of the Secrets of London.

That Hit the Spot Kill Lanaeus

A Bridge to the Past Raise the bridge to Death's Domain

Ghost in the Machine Deactivate the crusher

Eye Can't Believe It! Collect all the Gorgon Eyes

A Life in Letters Collect all of the Royal Letters.

Let Him Win Finish Deimos battle

Spartans Stand Tall Save Deimos

Only One Remains Finish the game

The Death of Death Kill Thanatos

A Streetcar Named "Boom!" Complete BOOM!

Riddle Resolver Solve 85% of Riddler challenges

Knockout in the Blackout Defeat 50 enemies in powered down areas while no missions are active.

Um Jammer Slammy Successfully dunked the basketball in Construction Derby.

Collisions Throw 10 enemies into other enemies

Mess with the Bull... Collect all the Minotaur Horns

Splash My Dash Opened the Dual Speeder Garage.

Broken Umbrella Witness the true ending.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

You Wouldn't Steal a Policeman's Helmet Hijack twenty police vehicles.

Monkey See, Monkey Rescue Rescued all Bots in Gorilla Nebula
38/42

Bird Flu Collect all the Phoenix Feathers

Time For A Change Opened the Changing Room.

Get Nix'ed Choose Nix in Storm the Fort.

Playing Both Sides Complete Fooling the Rebels.

Doing It For You Recovered the Mothership's GPU.

Master of Arms Completely upgrade all weapons and magic

Am I The Daddy? Complete Nix's New Family.

Most Unsporting Shoot fifty enemies before they shoot at you.

Animal Attraction Opened the Safari Park.

No Ticket Kick fifty enemies off of trains.

Heartless Rip out 10 Keres Wraith enemy hearts

Strike A Pose! Took a picture at a Photo Spot.

Without a Grudge Destroy 5000 destructibles with your carriage

Keep It Cool Recovered the Mothership's Cooling Fan.

Mentor Reach 100% Sync in the Main Memories

Forging Your Own Path Unlock the evil ending.

Time To Cash In! Stopped time and won the jackpot on all four slot machines in Slo-Mo Casino.

Tentacular Spectacular Rescued all Bots in Tentacle System
25/43

Crack The E Nigma Solve every riddle on the island

Take Cover! Recovered the Mothership's Protection Covers.

The Cleaner Complete the assassination side missions.

Arch Villain Earn full negative Karma.