'SongPop' chimes in atop Facebook game chart

• Music trivia game takes top Facebook ranking
• Zynga dominates top 25 list
• International developers impact social site

Social games on Facebook continue to evolve.

Just take a look at the year's top 25 games, released today by the social networking site at LeWeb, a technology conference in Paris.

Music trivia game SongPop was the most popular game released on Facebook in 2012. There wasn't even a music trivia game in last year's top 10 games, based on user ratings and engagement .

Online social games giant Zynga again dominated the annual list with six games in the top 25 including FarmVille 2 and Draw Something. But most of the new releases came from a burgeoning field of international developers with top games being made in Australia, Brazil, France, South Korea, Spain, Turkey and the U.K.

Facebook expanded the annual list — 2011 had a top 10 — to reflect the changing game landscape on the social site. "Over the years, the Facebook platform has become more diverse and international, while at the same time being a platform where existing developers can reach their audience, with high quality games, at scale," says Facebook communications manager Malorie Lucich.

FarmVille 2 remains the top-grossing game, according to the Facebook App Center. But SongPop is ranked No. 2 of all apps, behind Pinterest, based on user ratings.

SongPop , which was launched in May 2012, hit a lot of popular notes. "SongPop was unique in that it launched the game on Facebook.com, iPhone, iPad, and Android at the same time, which was an intelligent cross-platform social strategy that maximized their reach," Lucich says. "All versions of the app are integrated with Facebook, which makes it easy for people to share the app with friends around the Web."

More than 60 million players have downloaded the game and it's the number one driver from Facebook to iTunes for music purchases, according to developer FreshPlanet, a 16-person New York-based company led by founder and CEO Mathieu Nouzareth. He also founded Cafe.com and boonty.com, both with his brother, Romain.