Online slots have evolved from simple classic reels to a wide range of themes...

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

Online slots have evolved from simple classic reels to a wide range of themes and styles. You’ll find video slots with engaging bonus features, Megaways offering thousands of ways to win, progressive jackpots, and Slingo hybrids combining slots with bingo