Mafia Wars Mystery Fuel Box is a Mystery item on Farmville. The item itself is Level 1, but to be able to be a part of the promotion, you must be Level 2 in FarmVille. Complete Jobs to gain experience and level up. Every day you Level up in Mafia Wars, you earn another Mystery Box! The rewards inside the Mafia Wars Mystery Box is varying amounts of Fuel. This Mystery Box does not count for the Medal of They of Mystery.