By | January 17 2013 12:12 PM

Less than two months after Zynga (Nasdaq: ZNGA) and Facebook (Nasdaq: FB) loosened the historic ties that linked the companies at the hip and kept Zynga’s social games at the top of Facebook’s app leaderboards, the struggling casual game developer has lost its grip on the most popular game on the social media platform. Instead, that title has now been claimed by rival social games company King.com, whose “Candy Crush” recently supplanted Zynga’s top titles like “FarmVille 2,” “Words with Friends,” and “Texas HoldEm Poker.”