Gems Stones Slot — Value Score 75.1/100

Gems & Stones by Endorphina operates on a 5-reel, 3-row grid with 10 fixed paylines, where players adjust coin values and select active lines before spinning. Low-paying card symbols (10, J, Q, K, A) in silver font appear alongside higher-value gems: yellow Quartz, green Emerald, red Ruby, and blue Sapphire, which pays the top prize for five on a payline. The treasure chest serves as both Wild, substituting for other symbols, and Scatter, paying in any position and triggering 10 Free Spins with three or more. During Free Spins, a random symbol (excluding Scatter) expands to cover up to three positions on its reel after regular payouts, but only if it forms a win, paying on non-adjacent positions across enabled paylines. Free Spins retrigger with additional Scatters. A Gamble feature allows doubling wins via a card color/suit prediction mini-game. The visual style features a luxurious blue-themed backdrop with shimmering gemstones and gold accents, paired with simple, bright symbols and lively sound effects. It stands out through its straightforward mechanics combined with the potent expanding symbol in Free Spins, enabling multiple simultaneous wins without complex modifiers like cascades or Megaways.