Looking for a Diamond Mystery - 40 Charming 7's review or want to try Diamond Mystery - 40 Charming 7's before playing for real? You're in the right place. Developed by Greentube, Diamond Mystery - 40 Charming 7's is a medium low volatility slot with an RTP of 95.48% and a maximum win potential of 5,000x your stake, featuring a fruit theme. With 25 paylines and a 5-reel, 25-payline layout, it delivers engaging gameplay.
Written by Michael Torres · Last updated: January 2026
Diamond Mystery - 40 Charming 7's is a slot developed by Greentube featuring a fruit theme. The game features a 5-reel, 25-payline layout with an RTP of 95.48% and medium low volatility, offering impressive win potential for players of all experience levels.
At 95.48%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Diamond Mystery - 40 Charming 7's features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
2.9 / 5 — Average
Diamond Mystery - 40 Charming 7's by Greentube provides a straightforward slot experience. While it may not break new ground, it offers medium low volatility gameplay that will appeal to certain player preferences.