Batman Arkham City - Harley Quinn#039; s Revenge - ENDING - Gameplay Walkthrough - Part 6 - LAST LAUGH

Batman Arkham City Harley Quinn#039; s Revenge Gameplay Walkthrough Part 6 by theRadBrad. This is a Walkthrough for Batman: Arkham City Harley Quinn#039; s Revenge with Gameplay and Commentary by theRadBrad. This Batman: Arkham City Walkthrough contains the complete Harley Quinn#039; s Revenge DLC Story Campaign. Twitter: http://twitter. com//thaRadBrad Facebook: http://www. facebook. com/theRadBrad Batman: Arkham City is a video game for the Xbox 360, PlayStation 3, Microsoft Windows and the Wii U, and i