Plants vs. Zombies Adventures is not the announced sequel to Popcap's lawn-defense game - that's still in process. Instead, it's an "extra awesome PvZ experience fans can enjoy on Facebook," the developer tweeted.

The Facebook page for the unreleased game says Adventures includes "endless waves of new characters, strategies, territories, and community challenges." Interested parties will have the chance to find out exactly how Plants vs. Zombies has been adapted for the Facebook ecosystem soon: "liking" the page offers a chance to get in on a beta.