Pigs in masks fly everywhere in the barn and send 30 numbered balls your way. The most valuable symbol in the game is the Book of Dead icon. An innovative, fun Bingo slot by Play'n Go. The most valuable symbol in the game is the Book of Dead icon. These include the Pharao, Anubis, and Rich Wilde. . The game can be played with up to 4. It works as both the wild. The game can be played with up to 4. These include the Pharao, Anubis, and Rich Wilde. It works as both the wild. Pigs in masks fly everywhere in the barn and send 30 numbered balls your way. An innovative, fun Bingo slot by Play'n Go.