As usual, Xbox Live Gold members will be receiving free games for both Xbox 360 and Xbox One next month.
CastleStorm: Definitive Edition ($14.99 ERP) will be free during the month of May. Pool Nation FX ($13.99 ERP) is also being offered as a free title for an additional month.
From May 1 through May 15, Mafia II ($19.99) will be free on Xbox 360. Then F1 2013 ($39.99) will be free from May 16 through the end of the month.
