IDARB, Brothers and Sniper Elite V2 are February's Games with Gold
From the Major Nelson blog:
For the month of February, Xbox Live Gold members will receive three new free games on Xbox One and Xbox 360 as part of the Games with Gold program.
On Xbox One, Xbox Live Gold members can download #IDARB ($14.99 ERP) for free during the month of February.
On Xbox 360, starting Sunday, February 1st, Brothers: A Tale Of Two Sons ($14.99 ERP) will be free for Xbox Live Gold members through February 15th.
Then on February 16th, Xbox Live Gold Members can download Sniper Elite V2 ($29.99 ERP) for free through February 28th.
Read more about February’s Games with Gold titles over at the Xbox Wire.
*Titles are available as free downloads for qualifying Xbox Live Gold members in all markets where Xbox Live is available. Some regions may offer different titles depending on market availability.