Pray for Six Slot by Hacksaw Gaming

Black and white cartoon horror. Tiny devils with pitchforks, skull-faced creatures, nooses and cleavers scattered across a 6x5 board where the only color is an occasional red outline on the '6' symbols. Land 8+ matching symbols anywhere on the grid - position doesn't matter - and they cascade off while new ones drop in. Standard scatter pays with tumbling wins. But the cascades aren't the point.

The '6' symbol is the point. When one lands during a spin that produces at least one win, it activates after all cascades finish. Each '6' triggers its own Wailing Wheel - a spinner with four possible outcomes. Cash Prizes come in Bronze (1x-4x), Silver (5x-20x), and Gold (25x up to 666x). Additive Multipliers (2x to 333x) feed into a running total on the Win Bar. Multiplicative Multipliers (x2 through x33) multiply that entire running total. And there's a MAX WIN wedge for an instant 20,000x. Multiple '6' symbols mean multiple wheels. Cash prizes stack into the Win Bar, additive multipliers build the total, then multiplicative multipliers blow it up. One spin: nothing. Next spin: three '6' symbols, three wheels, and the math compounds into something unreasonable.

Three bonus tiers. Three scatters open Unholy Offspring - 10 free spins with higher '6' frequency, but the Win Bar resets each spin. Four scatters unlock Cradle of Chaos - same 10 spins, except the Win Bar becomes progressive, accumulating wins and multipliers across the entire round instead of resetting. Five scatters (Playtime in Purgatory) guarantee at least one '6' on every free spin, so every single spin triggers a Wailing Wheel. For 85x you can buy straight into the scatter draw.

Third entry in the infernal series after Pray for Three and SixSixSix. The devil theme runs through the numbers too - top scatter-pay tier hits 666x, Gold cash prizes cap at 666x, multiplicative multipliers lean on multiples of 33. Monochrome art with retro animation, and a personality that's impossible to mistake for anything else.