Sinistrose

Death Mode: Galaxanoids Complete the Death Mode level.

You've Gone Platinum Complete all Death Mode and Beat School levels.

Fond Farewell Baba Yaga: Speak to Nadia again before leaving the Wicked Vale

Riddle Resolver Solve 85% of Riddler challenges

Familiar Methodologies Fight off Hartman

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

Lost And Found Uncover the secret of Arkham City

Triple Threat Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).

Sandstorm We are legion

Shrieker Complete the contract on the shrieker.

Hide And Seek A deadly game of hide and seek

Soothing Sounds Use the music player for the first time.

Giver of Gifts Make your first donation of weapons, equipment, etc.

Crack The E Nigma Solve every riddle on the island

Bombardier Collect the formulae for 6 different bomb types.

< Make/Unmake > Use Shape and Fracture a combined total of 100 times
0/100

Snooze 'n' Soothe Heal by sleeping for the first time.

World's Greatest Detective Spirit of Amadeus Arkham revealed

Ghost Train Fight for survival

IQ Test Solve the first riddle

Everyday Delivery Complete a standard order.

Arkham City Sirens Drop in on an old friend

Freefall Don't look down

Exit Stage Right All the world is a stage

A Friend in Need Find and free Dandelion.

Beat School: Guitar Serenity 1 Complete the Beat School level.

Beat School: Bass Boss Complete the Beat School level.

Beat School: Guitar Serenity 2 Complete the Beat School level.

Beat School: Underworld Complete the Beat School level.

Beat School: 8-Bit Melody Complete the Beat School level.

Beat School: Danger! Danger! Complete the Beat School level.

Beat School: Kalimba Magic Complete the Beat School level.

Beat School: Insert Coin Complete the Beat School level.

Beat School: Lazy Day Beat Complete the Beat School level.

Beat School: Piano? PiaYES! Complete the Beat School level.

Beat School: Groovology 101 Complete the Beat School level.

Beat School: In The Club Complete the Beat School level.

Beat School: Harmony Helper Complete the Beat School level.

Beat School: Basic Rock Beat Complete the Beat School level.

Beat School: Robot Invasion Complete the Beat School level.

Beat School: Dubstep Drum Practice Complete the Beat School level.

Beat School: Big Hair Beat Complete the Beat School level.

Beat School: Driving the Autobahn Complete the Beat School level.

Beat School: Filthy Bass Monster Complete the Beat School level.

Beat School: Synth Grime Complete the Beat School level.

Beat School: Shoulder Pads Complete the Beat School level.

Beat School: All You Need is Wub Complete the Beat School level.

Beat School: Half-Time Drum Loops Complete the Beat School level.

Beat School: Fast Times Complete the Beat School level.

Beat School: Hollywood Cop Complete the Beat School level.