Microsoft's Games with Gold
program closes out 2013 with muscly shooter Gears of War
(nope, no numbers at the end of that) and co-op run-and-gunner Shoot Many Robots.
That means Gold members on Xbox 360 can download Gears of War
for free between the 1st and 15th of December, then they can disembark the Cole Train and start to Shoot Many Robots
on December 16, which stays free until the end of the year.
Microsoft plans to continue the Games with Gold program on Xbox 360 as an "ongoing benefit,"
and is extending it to the Xbox One in 2014
on a monthly basis.