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