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