8D. Version Updates =

Batman: Arkham Asylum version 1.0 released 9/6/2009 with the walkthrough. Version 1.2 added DLC.

Version History:

• Version 1.0 (9/6/2009): The initial release included the completed walkthrough and Riddler Challenges.
• Version 1.1 (9/21/2009): The guide was edited and cleaned up, with added notes for clarification on challenges and other aspects.
• Version 1.2 (9/24/2009): The second round of downloadable content (DLC (downloadable content — extra missions or items released after launch)) was added.
• Version 1.3 (10/21/2009): Additional notes were included, specifically regarding the mission to find Dr. Young in the mansion and the Poison Ivy fight.
• Version 1.4 (10/25/2009): This version acknowledged the FAQ of the Month award for September and noted that two Riddler Challenges were initially missing, with thanks to those who pointed them out.