Zynga's CoasterVille was the big gainer this week among the fastest-growing Facebook games by monthly active users. The title saw an 86.67 percent gain in traffic, moving up 13 spots to become the No. 2 app with over 10 million MAU on Facebook.

Zynga's Bubble Safari was the second-highest gainer this week, moving up four spots to take the No. 15 position with its 21.05 percent traffic increase. King.com's Pet Rescue Saga had a 7.41 percent surge, bringing the game up two spots to the No. 25 position. Wooga's Diamond Dash moved up one position, taking the No. 30 spot with a 3.23 percent increase. King.com's Candy Crush Saga had a 20 percent gain, moving up one slot to the No. 4 position on Facebook. The last gain at the 10 million MAU tier was Zynga's ChefVille, up by one slot to the No. 20 marker with a 4.76 percent gain.