Microsoft has announced that Xbox One owners with Xbox Live Gold acccounts will be able to download CastleStorm: Definitive Edition for free in May as part of the Games with Gold promotion.
In addition, Pool Nation's availability as part of Games with Gold will be extended for a month.
On Xbox 360 two games will be offered as per the norm. Firstly, Mafia 2 will be free for Gold subscribers from May 1st to 15th before it's replaced by F1 2013 from May 16th to 31st.
Earlier today, Sony announced the games it will offer PlayStation Plus members during May; with subscribers able to add Ether One, Guacamelee, The Unfinished Swan, and Hohokum to their Instant Game Collection among the titles offered.