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