Free Play Weekend (November 15th - 18th): NBA 2K19 (Xbox One), Tom Clancy's Rainbow Six Siege (Xbox One, PS4, & PC) w/Xbox Live Gold
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https://news.xbox.com/en-us/2018/11/13/play-nba-2k19-free-weekend-xbox-live-gold/
Starting Thursday, November 15 at 12:00 a.m. PST and running until Sunday, November 18 at 11:59 p.m. PST, Xbox Live Gold members in Xbox One markets will have the opportunity to play NBA 2K19 at no cost. During this period, members will also have the chance to extend the fun and maintain their progress by purchasing the game at a 50% discount.
https://rainbow6.ubisoft.com/siege/en-us/free-weekend/index.aspx
