Zynga, the developer of popular social games like FarmVille and CityVille, hit eighth acquisition deal by agreeing to buy social networking based browser- Flock.

Flock lets users to interrelate their social networking accounts while browsing the internet using its sidebar tool. Its newest version supports social networking platforms such as Facebook, Twitter and Flickr.

Confirming the deal, Flock's chief executive Shawn Hardin said, "Our team will help Zynga in achieving their goal of building the most fun, social games available to anyone, anytime - on any platform."

Earlier, three-year old Zynga acquired games-developer Newtoy, XPD, Unoh Games, Challenge Games, Dextrose AG, Conduit Labs and Bonfire Studios.

Zynga is still maintaining its dominance on Facebook, tanks to its new social game CityVille. Figures suggest that CityVille is recording around 95 million monthly active users.

Meanwhile, people familiar with Zynga's future plans said that the company has no plans to go for an initial public offering in the near future.