Shares in troubled Zynga fell another 4% Friday after the Web gaming giant revealed new terms with Facebook that led to investor concern it would lose preferential treatment on the world's No. 1 social network.
Under the terms of an amended agreement between the two companies, disclosed by Zynga late Thursday, Facebook is no longer prohibited from making its own Web games, ending its role as the special partner. The gaming company is now covered by Facebook's "standard terms of service."
The amended agreement also allows Zynga for the first time to offer games on other websites, including its own. It is also no longer obligated to display Facebook ad units or use Facebook credits as in-game currency.
That could help bring new players to the company, which has experienced slowing growth in many of its games this year, and seen others flop completely.