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Diamond Mystery - 40 Charming 7's 6reels Free Play Demo by Greentube
GreentubeMedium volatility
Virtual balance · no sign-up
Play the slot machine Diamond Mystery - 40 Charming 7's 6reels by provider Greentube in demo mode for free.
Diamond Mystery – 40 Charming 7's 6reels is a 6-reel Greentube slot from May 2026 with 40 win lines, glossy fruits, scattered stars and sparkling sevens.
Volatility is rated 3 out of 5 (medium).
Basic information about Diamond Mystery - 40 Charming 7's 6reels
Slot parameters
Values confirmed on the provider’s own page. Minimum and maximum bets may differ from casino to casino.
ProviderGreentube
Release date05.05.2026
VolatilityMedium
Reels6
Paylines40
Slot typeVideo Slots
GenreFruits, Sevens 777
Wild symbolYes
ScatterYes
Special featuresDouble or nothing gamble, Stacked Wild 7’s, Scatter wins, Diamond Mystery™, Jackpot Feature
Where to play for real
Seven Wild
Seven symbols are Wild, appear stacked and substitute for all symbols except the scattered Stars.
Scatters
Stars pay in any position.
Diamond Mystery Feature
Triggered randomly on any non-winning spin, with four jackpot levels: 5,000× the stake for the Diamond Jackpot, 1,250× for the Red Gem, 200× for the Blue Gem and a smaller fourth level.
Gamble
A double-or-nothing gamble is available. Try it in the free demo.
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