Many online slots now feature cascading reels

https://pocketcasts.com/podcast/slot-review-talks/79d71eb0-8315-013e-aa05-0e11d6bd98eb/zeus-ancient-fortunes-slot-review-lightning-wins-await/8e8f41f2-322c-4430-b8db-4820b7c53728

Many online slots now feature cascading reels, where prevailing combos disappear and new symbols fall into place for probably extra wins.