The ancient Tumble slot has a grid with 6 reels, 6 rows and 46,656 ways to win. In addition to regular symbols, it also has dud icons that don’t pay but make things a bit more interesting.
It takes between 3 and 6 icons on adjacent reels to strike a win, and they pay as follows (in descending order):
Red mask: x1, x0.8, x0.5, x0.3
Green mask: x0.6, x0.4, x0.3, x0.2
Red gem: x0.5, x0.35, x0.25, x0.15
Green gem: x0.4, x0.3, x0.2, x0.1
Blue gem: x0.3, x0.2, x0.15, x0.1
AKQJ: x0.2, x0.15, x0.1, x0.05
Red and blue flower: Scatter symbols