Zynga's FarmVille 2 is once again the big winner this week when it comes to the fastest-growing Facebook games by monthly active users, taking the No. 1 spot with 5.4 million MAU.

King.com's Candy Crush Saga took No. 2 with 5 million MAU, a 12 percent gain. Playdemic'sVillage Life is continuing to grow, coming in at No. 3 with 1.5 million MAU for a 75 percent increase. Playdom's Disney City Girl is also continuing to gain, bringing in 831,340 MAU for a 41 percent growth. Pretty Simple's Criminal Case rounds out the top five games on our list with a 9 percent gain of 592,714 MAU.