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