Online slots have evolved from simple classic reels to diverse options...

https://thefiguremagazine.com/classic-reels-to-megaways-how-online-slots-became-more-varied/

Online slots have evolved from simple classic reels to diverse options including video themes, bonus features, Megaways mechanics, jackpots, and Slingo hybrids. These variations add new ways to play and win, catering to different preferences