Yesterday, Batman: Arkham City was finally released for the PC and along with it, the first downloadable content as well. The Robin DLC includes two new challenge maps and two skins: Animated Robin and Red Robin. Robin is playable in all of the challenge maps and has his own unique gadgets and special moves. The DLC will set you back $6.99 on PSN/PC or 560 Microsoft points. What are you waiting for?