Themes, animation, and sound have a surprising impact on how slot mechanics...

https://charlottessuperjournals.tearosediner.net/how-to-evaluate-a-slot-theme-when-you-only-watched-30-seconds-of-gameplay

Themes, animation, and sound have a surprising impact on how slot mechanics feel—even when the core gameplay is familiar. Take Aloha! Cluster Pays, for example