RTPBOSS
Gemstone Jam

Gemstone Jam

All-Wild PaylineNudge Feature
Configurable RTP. RTPBoss records this game in versions from 90.5% to 96.0%. The figure shown is the default/highest version — open the in-game paytable to confirm what your casino runs.
Return to player
96.0%
Independently corroborated · checked 2026-07-11
92%96% median99.5%
House edge
4.0%
Beats
18.8%
of tracked slots
Volatility
Very High
Max win
10,000×
Layout
3×3
Ways to win
9 lines
Hit frequency
Released
2026

— means the provider does not publish that figure; we don’t guess.

How Gemstone Jam compares

Measured against everything we track, Gemstone Jam lands ahead of 18.8% of 2808 slots on published RTP (96.0%), 0.04pp above the 95.96% average of the 155 Yggdrasil slots we track. Expect a long-run cost of $4.00 for every $100 in play. Yggdrasil rates it very high volatility. The maximum win RTPBoss records is 10,000× the stake — a theoretical maximum.

Data status

Where each figure comes from and when we last checked it. We show provider-published values with their source, and flag anything unverified rather than presenting it as certified.

RTP
Secondary source· slot.report· checked 11 Jul 2026
Max win
Source not yet documented· checked 11 Jul 2026
Volatility
Source not yet documented· checked 11 Jul 2026

How we source this · Source policy · Report an issue

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Where to play

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FAQ

What is the RTP of Gemstone Jam?

Gemstone Jam's RTP is 96.0% (independently corroborated), and it is recorded in configurable versions from 90.5% to 96.0% — the paytable at your casino shows which is live. That top figure is a theoretical house edge of 4.0%.

How volatile is Gemstone Jam?

Yggdrasil rates Gemstone Jam as very high volatility. High volatility generally means outcomes may vary more widely between sessions. It does not predict the result or frequency of wins in any single session.

What is the max win in Gemstone Jam?

The maximum win RTPBoss records for Gemstone Jam is 10,000× the stake (a legacy import) — a theoretical maximum, not an expected or typical outcome.

Who made Gemstone Jam?

Gemstone Jam is made by Yggdrasil, released in 2026.

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