Greed Slot by AvatarUX

Seven suited businessmen spin across gilded Art Deco reels, each in a different colored frame - green jacket at the low end, gray veteran at the top. A rotund banker in a top hat watches from the left edge of the screen, stock ticker tape scrolling behind him. Card royals carry ticker overlays too, the whole thing dripping in 1920s Wall Street excess.

PopWins is the engine. Every winning symbol pops off and two new ones drop in its place, stretching the reel taller by one row. Wins keep chaining, reels keep growing - up to 6 high in the base game, which pushes the ways counter from 486 to 7,776. Get all five reels to max height and you trigger the bonus. No scatter needed. Full expansion is the only path in, and it forces you to actually build something during base play rather than wait for three symbols to land in the right spots.

Before the bonus plays, a gamble wheel appears. Default offer is 5 free spins - safe, guaranteed. Spin the wheel and you have a 49% shot at upgrading to 8. Spin again, another 49% for 12. A 1% golden slice on each wheel bumps those numbers to 12 and 16 respectively. Lose either gamble and the bonus disappears entirely. You get nothing. The aggressive play - gambling both times - is actually the mathematically optimal strategy, which is a nice inversion of the usual "always collect" instinct.

Free spins let the reels grow to 9 tall (118,098 ways). Reel height partially carries between spins, dropping to whatever the shortest reel reached rather than resetting completely. A multiplier starts at x2 and climbs +1 for each cascade. Hit full expansion during the bonus and it jumps +3 immediately, then every subsequent pop-round adds +4 instead of +1. That multiplier persists across all free spins, so a strong early chain sets the floor for everything that follows. The 75x buy bonus skips straight past the base game grind, though you still face the gamble wheel decision on the other side.

PopWins has powered a long list of AvatarUX releases by now, and the expanding-reel loop is familiar ground. What Greed adds is the gamble wheel and the partially-preserved reel heights between spins. Both are meaningful wrinkles on the formula, not just cosmetic.