
Gemstone Jam
— 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.
Where to play
Top-scored crypto casinos carrying most major providers. Catalog coverage varies — confirm the game is live before depositing.
18+ · Rankings use documented criteria, not commercial terms · Play responsibly
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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