Post Published: September 21, 2023
Author: Chlo


Scored by our Casino Expert Chloe

Wild Stacks Frenzy offers an engaging gameplay experience, highlighting the Wild Stacks in both the primary and Free Spins modes. With extended stacks during the Free Spins, players have the potential for remarkable payouts. – Chlo

Wild Stack Frenzy (Yggdrasil Gaming) – Slot Review

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Venture into the ultimate caving expedition, amidst a realm of ancient fossils, biological marvels, and concealed treasures. However, caution is paramount, for avalanches loom when spelunkers delve too deep. Ensure you’re fully equipped, as Wild Stacks can fall at any moment. The deeper and more perilous zones of the cave hold the elusive luminous mushrooms. The game’s backdrop reveals the cave’s interior, illuminated by radiant gems and revealing fascinating fossils. The reel’s framework is crafted from stones adorned with embedded purple gems and crowned with a fossil. Symbols comprise distinctively etched stones and fossil fragments from various ancient beings. The game’s ambiance immerses players in a chamber brimming with these unique luminescent fungi. The visual intricacies are remarkably executed, and the chosen theme is refreshingly novel.

Wild Stack Frenzy is a high-variance slot game featuring a 5×3 reel layout and 20 fixed pay lines paying both ways. The game offers a solid RTP of 96% and a maximum win potential of 5,000x your stake. Bets can range from a minimum of £0.20 up to £20.

Wild Stack Frenzy Symbols & Pay Table

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The game incorporates a total of 10 symbols. The lower-paying symbols are stylized as Clubs, Spades, Diamonds, and Hearts, intricately engraved on stones. The premium symbols are creatively represented by Shells, Rib Bones, Claws, and Skulls. Additionally, there’s a Wild Symbol and a Free Spins scatter icon. Among these, the Skull is the most lucrative, offering a payout of 2.5x for a five-symbol combination across a pay line. The Wild Symbol substitutes for all other symbols, except for the Free Spins scatter.

Wild Stack Frenzy Features & Mechanics

In an innovative twist, each win triggers the removal of all winning symbols and introduces an extra Wild. New symbols then cascade into the vacated spaces, providing another shot at winning. The Wilds appear stacked and carry attached multipliers, making them even more potent. These stacked Wilds can manifest in both the base game and during free spins.

Wild Stacks

Wild symbols come super-stacked, with stacks varying from 3 to 6 symbols in the base game, and extending up to 10 symbols during free spins. The lowest Wild in the stack carries a x1 multiplier, with each subsequent Wild featuring a multiplier that increases incrementally by one. Wild stacks can land anywhere on the reels and are present in every spin, often initiating at the top of the first row.

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Free Spins

Activating the Free Spins feature requires landing 3 or more scatter symbols during a base game spin. Depending on the number of scatters (3, 4, or 5), players will be awarded 7, 9, or 11 free spins, respectively. During these spins, the Wild Stacks behave similarly to those in the base game, but with the added advantage of being longer. Landing 3 or more scatters during a Free Spin will award a retrigger with additonal spins. Those eager to jump directly into this feature have the option to do so by purchasing it for 60x their chosen stake size.


In essence, Wild Stack Frenzy offers a distinctive thematic approach complemented by meticulous artwork. Yggdrasil Gaming consistently impresses with its visual craftsmanship. The gameplay captivates, predominantly due to the Wild Stacks mechanism. The Free Spins feature, augmented by extended Wild Stacks, stands out as the game’s pinnacle. Be sure to try out the game for yourself and check out our exclusive casino offers.