Microsoft's Major Nelson has confirmed via twitter that Assassin's Creed II will be the next game that will be free to Xbox Live Gold members.
I can confirm that Assassin’s Creed II will be the next free title released in the Xbox “Games With Gold” Program http://t.co/c7mRquZZHL
— Larry Hryb (@majornelson) July 3, 2013
Assassin's Creed II is hailed by many to be one of the best games in the series. As for the next game in the series, Assassin's Creed IV black flag is scheduled to be released October 29th on the Xbox 360, PS3 Wii U, and the Xbox One / PlayStation 4 when they launch this Holiday season.