Zynga
Zynga games are free to play and mostly found on social networks. Players can however buy extra game credits from the zynga website, this can be done through a credit card or via a paypal account. Zynga also advertises through their games such as movies and other brands.
In June, 2012 Zynga started running Facebook advertisements and sponsored stories on their website.
Farmville 2
Farmbille 2 was announced at Zynga's Unleashed press event at its San Francisco headquarters. the new game has a 3D view point which will allow the player to see the game from different and more interesting angles. this first farmville was popular with fans, so the sequel to farmville will be a hit aswell. like the previous farmville players can buy coins through the store to purchase more products such as farm machinery.
