Super Duper Slot by Booming Games

Five paylines is the whole setup, and every single one pays in both directions. The Perma 2-Way Pay runs permanently in the base game and free spins - left-to-right hits and right-to-left hits both count, with one exception for fully identical lines (those pay once, not twice, so you can't double-dip a 5-of-a-kind). That's the core mechanic and it's why this compact grid still produces a 6,311x ceiling instead of the usual 500-1000x you'd expect from a 5-line classic.

Two wild types share the reels. Regular Wilds land in stacks of three - full columns of WILD WILD WILD hitting a middle row, partial stacks bleeding into adjacent positions, the kind of coverage that turns one decent spin into a cascade of two-way line hits across every active row. Then there's the Wild x3, which is the same substitute but with a tripling multiplier baked in. Any win it contributes to gets multiplied by three. The caveat is that a winning line made ONLY of Wild x3 symbols doesn't get the multiplier applied, which prevents the rare five-wild-multipliers-on-one-line super hit that would otherwise exist.

Three Super Duper logo scatters anywhere on the grid triggers the Free Spins round - 10 spins, with a blanket x3 multiplier on every win. Land a Wild x3 during a winning line in free spins and the multipliers stack: 3x from the feature, 3x from the Wild x3, for an effective 9x on qualifying lines. Retriggers work normally, so 3+ scatters during the round adds 10 more spins. No buy bonus option exists, which for this provider is a little surprising given how many 2023-era Booming Games releases shipped with one.

Visually it's pure arcade nostalgia. A gold cabinet around the reels, a royal-blue sky scattered with pale translucent stars behind the grid, a red-and-gold Super Duper logo crowning the frame, and a yellow 2-WAY PAY badge on the left rail with animated chevrons pointing both directions. The symbol set leans old-school: red 777s, pink five-point stars, polished bells, blue dice with yellow pips, and colour-coded A/K/Q/J ranks. It reads like a modern polish on a Vegas bar-top machine, which is exactly what it's going for.