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

https://tango-wiki.win/index.php/How_Do_Progressive_Stages_Work_in_Slots_When_the_Theme_Is_a_Journey%3F

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