San Francisco-based game developer Zynga is striking hard to bring valuable changes in the graphics of the game. Yesterday, the social networking site Zynga came up with new games which are thrilling and adventurous.

On Tuesday, the site introduced the sequel of "Mafia Wars" which has been designed with aggrieved violence. Beside this, popular farming games "FarmVille" and "CityVille" have been clubbed together to make "CastleVille". It has been informed that the game "CastleVille" will have traces of medieval fantasy world of dragons and maidens.

The site Zynga is trying hard to beat its competitors as it is altogether bringing a number of changes in the world. It has been announced by the site that it planning to introduce a new "social games playground". The playground would be a new gaming website.

By bringing changes in its games, Zynga is aiming at luring more of its customers which will include adults. It has been informed by CEO Mark Pincus that a proper survey has been conducted to understand the needs and desires of its customers from Zynga.

Besides, "Mafia Wars", "FarmVille" and "CastleVille", the site has also made formal announcement of introducing games like "Hidden Chronicles", "ZyngaPoker Mobile Web", "Words with Friends HTML 5" and "Dream Zoo". These games will soon be launched on Facebook as well.