Just a PSA: The upcoming Game of the Year edition of Arkham City, to be released May 29, will include all of the game’s downloadable content, including the upcoming Harley Quinn’s Revenge, which comes out at the end of this month. So don’t dish out your $60 just yet—wait for the Game of the Year version.
https://kotaku.com/harley-quinn-s-revenge-coming-with-the-batman-arkham-5904266
