Modern slot design often includes the Megaways mechanic, offering up to 117,649...

https://wiki-site.win/index.php/Why_Do_Modern_Slots_Have_Huge_Grids_Instead_of_3x3_Reels%3F

Modern slot design often includes the Megaways mechanic, offering up to 117,649 ways to win. This approach changes the reel setup each spin, adding unpredictability