The purpose of this walkthrough guide is to provide help for those who are stuck in the game, or for those who want to achieve a complete game unlocking all the Achievements, Character Bios, Character Trophies, Challenge Mode Maps, all the Chronicles of Arkham, and all of the Riddler's Challenges on a single pass of the game. If you want to go through the game with the help of this guide and not pick up any of the Riddler's Trophies, solve any of the Riddles or solve any of the Chronicles of Arkham please ignore all the senteances with the following text color highlights:

Chronical of Arkham Riddler Trophy
Joker Teeth "Riddle"
Patient Interview Tape Riddler Map