A new trailer and Facebook page for Mafia Wars 2 has been launched challenging fans to “like” the page and “share” to earn exclusive in-game rewards at launch. At the time of publication, 52,277 fans had already “liked” the app and had a chance to earn rewards like black mohawk hair (20,000 likes required), a casino row t-shirt (50,000 likes required) or a graffiti wall (100,000 likes required). Zynga knows how to keep it interesting, at 500,000 likes everyone gets their own animated lion.