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