New data from InsideSocialGames reveals more about the top most-played Facebook games. When people had downtime this holiday season, they were more likely to play Words With Friends and Farmville.

The number of Words With Friends players went up 9% to 15,100,000 monthly average users. A total of 1.3 million users joined during the holiday week. Farmville, the second most popular holiday game, went up 2% to 33,900,000 monthly average users. It gained 800,000 users over the holiday.

Other Zynga games with a significant increase in players over the holiday week included CityVille at number 7; it gained 300,000 users, or 0.61%. Texas HoldEm Poker gained 200,000 users, up 0.7%.

Last year at this time, Zynga classic CityVille was the number two game with 49,600,000 monthly average users. CastleVille and FarmVille were at number four and five with 37,100,000 and 33,900,000 MAU respectively. Words With Friends was at number 15.

Words With Friends is one of Zynga’s fastest growing games. In its first mobile app rankings for Android, Nielsen listed Words With Friends as one of the top apps. Toward the end of December 2011, Words With Friends was ranked as the number two game for Android.

Zynga went public at the end of 2011, pricing its shares at $8.50-$10. Its stock price closed out at $9.45 today.