Created by Pragmatic Play, Quartz SiO2 is an engaging online slot machine featuring a 5-reel and 3-row layout, providing players with 10 ways to secure wins. With a medium volatility level, this slot offers a balanced blend of regular payouts and the potential for more substantial wins, contributing to an exciting and enjoyable gaming experience.
Distinct from the conventional playing card symbols, Quartz SiO2 incorporates card suits in its lower tier. The blue spades, blue clubs, red hearts, and red diamonds contribute to payouts ranging from 2x to 40x the bet per line for up to five of a kind. Moving up the paytable, various gems become the focus of mid and high payouts. The yellow, blue, and green gems offer rewards ranging from 8x to 120x the line bet. However, it's the red gemstone that takes the spotlight as the top-paying symbol, delivering wins ranging from 50x to 250x the bet per line for a minimum of three appearances. Players will naturally anticipate landing more of these high-value red gem symbols for significant wins.
A "Wild" symbol plays a crucial role in enhancing winning combinations. Beyond its typical substitution function, the Wild symbol triggers the Expanding Wild feature when it lands on the middle reels. This special feature not only substitutes for other symbols but also expands to cover the entire reel, initiating a respin. During the respin, the reels containing expanding wilds remain fixed in place, potentially leading to additional wins. Landing one or two more wilds after the respin will retrigger an extra free spin, adding to the excitement.
While Quartz SiO2 does not include multipliers or free spins, players have the opportunity to boost their winnings through the Gamble feature. Activated after a spin and any respins are concluded, this bonus round allows players to choose between betting on red or black to double their wins. Alternatively, selecting card suits can quadruple the winnings. It's important to note that the Gamble feature is only available when the current win is equal to or less than 100x the total stake, and players can engage in up to four consecutive rounds.