Piggy Bankin’ uses the same idea, but it’s coins in piggy banks, with 9 piggy banks vs. Last year I reviewed New Year Festival, a classic WMS mechanical 3-reel game that offers an Advantage Play in the persistent state firecrackers that effectively worked as a “must hit by” progressive mechanism in that you were guaranteed a progressive before the firecrackers ran out. What Makes it Special: The less Piggies and coins to complete a piggy required, the closer to a progressive pick bonus you are.