

Gemstone Jam is a high-volatility online slot from Yggdrasil with an RTP of 96% and a maximum win of 10,000x.
Page updated July 2026
Technical specifications for Gemstone Jam: Yggdrasil development, High variance algorithm, 96% theoretical return, 10,000x maximum multiplier.
Gemstone Jam has an RTP (return to player) of 96%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Yggdrasil — individual sessions can land far above or below it.
Gemstone Jam is rated high volatility. High-volatility slots pay out less often, but wins tend to be bigger when they land — expect longer dry spells and larger swings to your balance.
The advertised maximum win for Gemstone Jam is 10,000x. Max wins are extremely rare by design — treat them as a ceiling, not an expectation.
Gemstone Jam is developed by Yggdrasil and was released in Apr 27, 2026.
Verified Data via Johnessy AI

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