It is so because all the symbols on the active field open and, consequently, the number of winning combos reaches 3125. As soon as you see a pig in a rocket cruising around the Earth, you will be awarded 8free spins which cannot be triggered. We should press it, otherwise, free spins wont launch. Its the usual casino slot fare, unlikely to win any awards for originality, but hey: thats why the mute button was invented. The expanding bonuses available in When Pigs Fly slot machine are the: Play When Pigs Fly casino games online by registering in reputable casinos that offer NetEnt slots. It is recommended for those, who have big bankroll. They stand for high value symbols while playing card symbols deliver low payouts. When Pigs Fly, released in 2016, features a wild symbol, free spins, re-spins and an Auto Play mode, which allows the player to set the machine to play a number of preselected spins. The slot has 3125 winning combinations. An example of playing When Pigs Fly slot.