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Gemstone Jam, from Yggdrasil Gaming, does have some modern elements in its design, with the game show-inspired surroundings they've created for it, but there are also plenty of elements of a more classic nature to be found on its reels.
This is a slot that you're going to play with just 3x3 reels, and you will find 9 active paylines inside. The rewards offered in this game look very good, paying up to 10,000x the stake, but there is a cost. It's a slot with Very High volatility, and the RTP range has lower settings as well, in addition to the 96% option. Gemstone Jam's special features take the form of wild symbols with multipliers, nudges, and symbols that can pay even if they don't form combinations.
The full betting range you can use in Gemstone Jam is going to be somewhere between $0.10 and $10.
Gemstone Jam is the sort of slot that's risky to play, and that's clear if you learn about its Very High volatility. In exchange, it can also pay very well, though it's rare to get the 10,000x top jackpot that's possible in its case. What's in your power is picking a version of the game that has a 96% RTP, not one of the lower-paying options.
The game comes with 9 paylines, but as the reel's symbols have empty spots between them, you don't get them all active and with 3 symbols. In certain cases, prizes may come anyway, but more on that below.
While the typical way to form combinations is via matching symbols occupying all three positions on a line, you can also get a reward when you mix different types of BAR symbols (wilds can also help with this).
You can also get small rewards when you have just 1 or 2 Cherry symbols on a line. These would pay 0.5x or 1.5x the stake, respectively.
Nudges are random modifiers that can trigger at the end of a spin, moving the reels either down or up, as required to create a new winning combination.
Whenever you form winning combinations, the Diamond Wild can help. It is a substitute symbol, and it comes with a 2x multiplier. If two wilds are part of a combo, the total multiplier for that win will be 4x. If you can get entire paylines occupied by wilds, you get paid bigger prizes. 3 wilds pay 2,500x, while 6 wilds pay 5,000x.
It's a well-polished design, and the stage looks like it was inspired by a TV game show studio. There is even a young woman next to it. The game area doesn't deliver any themed symbols. It's all a mix of classics, such as cherries, BAR, Double BAR, Triple BAR, Sevens, and Diamonds.
Gemstone Jam keeps things fairly simple, with its 3 reels and simple features, and yet it can deliver big prizes with the help of its wild symbols.
