Candy Crush Saga is a match-three puzzle video game released by King on April 12, 2012 for Facebook, and on November 14, 2012 for iOS, Android, Fire OS, Windows Phone, Windows 10 and Tizen. As of March 2013, Candy Crush Saga surpassed FarmVille 2 as the most popular game on Facebook, with 46 million average monthly users. It is a variation on their browser game Candy Crush. In November 2013, the “Dreamworld” expansion was launched, creating nocturnal-themed but more difficult versions of previously released levels. In December 2014, the game was released for Windows Phone.