Microsoft has announced the two titles which will be included as part of the Games With Gold promotion in November; A World of Keflings and Iron Brigade.
A World of Keflings will be available from tomorrow, November 1st, until the 15th. Iron Brigade will follow from November 16th until November 30th. Both titles normally costs $9.99.
In Keflings you will, "Journey to exotic lands and help your new, tiny Kefling friends along the way. Play as your Xbox Live Avatar and help Keflings harvest resources to create and customize beautiful cities filled with fountains, workshops, castles and more!"
Double Fine's tower defence title Iron Brigade meanwhile "lets you use a combination of mobile firepower and stationary defenses to turn the tide of war in your favour."
The Games With Gold promotion was first announced at E3 in June and while the Xbox One will be released on November 22nd it's unclear if Microsoft intends to offer a similar feature on the new console.