Battlefield 3 and Hydro Thunder Hurricane round out the month's selection.
The Reaper of Souls Ultimate Evil Edition is available to play at no cost this weekend only.
Just in case you get a gift of Gold for the holidays - or an Xbox One
Xbox One users will get four games as a birthday present.
The change will go into effect on June 20 across six countries.
Have you been itching to get your hands on Sunset Overdrive? Well - you'll soon be able to cause as much chaos as possible now that Microsoft will make it available for free this weekend.
Did you just pick up an Xbox One or plan on doing so in the near future? Then you need to take advantage of this week's deal.
Microsoft has made Halo: Reach available for free for Xbox Live Gold members for the remainder of September.
Are you an Xbox One owner that feels the need for speed? Then be sure to partake in this weekend's special Forza Motorsport 5 event.