Microsoft has confirmed the August 2015 lineup of free games coming in their Games with Gold program.
Those who are Xbox Live Gold subscribers will be able to download Metal Gear Solid V: Ground Zeroes for the entire month of August, on Xbox One. From August 16th through September 15th, How to Survive: Storm Warning Edition will be free.
For Xbox 360 users, Metro 2033 will be free between August 1st and August 15th. Following that, its sequel, Metro: Last Light, will be free between August 16th and the 31st.