Pickpocket a guard affected by a blowdart

Eliminate Al-Ghul

At maximum notoriety, become anonymous by tearing down wanted posters

Assassinate 10 guards in a row without triggering open conflict

Become an Initiate of the Hidden Ones

Purchase every Upgrade

Complete all of the Challenges in the Game

Achieve a score of 500,000 points

Complete 75% of all Challenges

Achieve a score of 500,000 points

Complete 50% of all Challenges

50 Hostage Saves