Gold Pile: Toltec Treasure Slot by Playtech

Everything in Gold Pile: Toltec Treasure runs through the round purple dial parked to the left of the reels. It reads "10% GOLD" by default, and cranking it up with the arrows floods reel five with more gold-tinted symbols while pushing your total bet higher, all the way to 500. That dial is an ante-style bet: the more you feed it, the more gold lands on that last reel, and gold on reel five is the only road to the jackpots.

Here's how the payout side works. Land a five-of-a-kind that includes a gold symbol on reel five and one of two things happens. You either collect the Mini or Maxi outright, worth 40x and 160x your total bet, or you kick off the Grand Jackpot Chase, a pick round handing you three shots at the Grand worth 4,000x. That Grand is also the game's top win, so the entire jackpot ladder hangs on getting gold to stick on the right reel. Three scatters award eight free games, played with extra wilds crowded onto reel five and better odds of a jackpot dropping, so even the bonus round points back at the same mechanic.

The setting is a torch-lit stone temple. Two huge jaguar-serpent idols loom on either side of the grid, molten gold pours from carved fountains into heaps of coins, and a deep purple starry sky sits behind it all, the reels held in ornate gold Aztec fretwork. Symbols are Toltec riches: a feather-crowned princess up top, a golden jaguar medallion, a jade jaguar mask, a gold ceremonial mask, an idol figurine, red-and-gold panpipes and a step-pyramid, with gemstone A, K, J and 10 royals filling the low end. It looks the part. But strip away the Gold Meter and the base game is plain, card royals doing most of the spinning while you decide how much gold to buy onto reel five. Its sibling Gold Pile: Tigers Pride runs the identical engine with a tiger dressing instead.