Book of Sorcery Slot by Amigo Gaming

Three progressive jackpots sit on top of a Book slot. That's the addition Amigo Gaming made to the formula here - Grand, Major, and Minor tiers that tick upward while you play, layered over the standard expanding-symbol free spins that every Book game runs. The jackpot trigger conditions aren't spelled out in the paytable, which keeps the mechanic mysterious but also means there's no strategic angle to chase them. They fire when they fire.

Free spins follow the expected template. Three or more Book symbols anywhere on the reels award 10 spins, and before the round starts one symbol gets randomly selected to expand. When enough of that chosen symbol land on a reel, it stretches to fill all three rows, and wins count across every active payline - not just the positions where the symbols originally sat. Retriggering adds another 10 spins with the same expanding symbol locked in. At 100x your bet (or close to it), the buy bonus skips straight to the feature. There's also a gamble option after any base game win - pick the right card color to double your payout, or lose it all.

Dark blues and teals dominate the color palette, broken up by warm orange from carved pumpkins and golden light spilling off the Book symbol. A red-haired witch is the top-paying regular, followed by her black cat in a pointy hat, a jack-o-lantern, and a green potion bottle. Card values A through 10 get the usual stylized treatment but with glowing magical effects around each letter. Twisted bare trees border the reels against a moonlit sky with floating green particles drifting through the scene.