


Stacks Of Jacks is a medium-volatility online slot from Gamomat with an RTP of 96.16%.
Page updated July 2026
Stacks Of Jacks is a slot from German studio Gamomat, a developer known for straightforward, well-built classic and card-themed releases. As the title suggests, this one appears to lean on stacked card symbols — Jacks specifically — as its central visual hook, playing into the kind of no-nonsense, symbol-stacking format Gamomat has built a following on over the years.
The confirmed figures for this release are limited but useful: Stacks Of Jacks carries a 96.16% RTP, a solid number that sits comfortably above the industry average and gives players a fair long-term return. Volatility is rated medium, suggesting a balance between frequent smaller wins and the occasional bigger swing, rather than leaning hard into either extreme.
Full details on the reel layout, paylines, maximum win multiplier and betting range aren't available for this listing. Rather than estimate figures that haven't been verified, we'd point you to the in-game paytable, which will lay out the exact grid size, win potential and stake range once you load the game up. Gamomat titles typically favour compact, classic-style layouts, so it wouldn't be a surprise if Stacks Of Jacks follows suit, but that's a general pattern rather than a confirmed detail for this specific release.
A 96.16% return is genuinely good news for anyone weighing this one up — it puts Stacks Of Jacks ahead of a large chunk of the online slot market on paper, even before factoring in the specifics of volatility and hit rate. Combined with the medium volatility rating, it suggests a game built to play fairly evenly across a session rather than swinging to extremes in either direction.
Stacks Of Jacks looks like a solid, above-average-RTP release from a reliable studio, even if some of the finer mechanical details aren't confirmed yet. The medium volatility rating suggests it should play reasonably evenly across a session. As always, the best way to judge the rest — grid size, bonus features, max win — is to load the free demo at johnessyslots and check the paytable directly before deciding whether to play for real.
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Stacks Of Jacks has an RTP (return to player) of 96.16%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Gamomat — individual sessions can land far above or below it.
Stacks Of Jacks is rated medium volatility. Medium-volatility slots sit between the extremes — a balance of win frequency and win size.
Stacks Of Jacks is developed by Gamomat and was released in Mar 24, 2026.
Verified Data via Johnessy AI