Modern online slots are borrowing heavily from mobile and console game design...

https://www.citywatchla.com/gaming/33360-why-online-slot-games-look-more-like-mainstream-video-games-than-ever

Modern online slots are borrowing heavily from mobile and console game design to engage players better. NetEnt’s Starburst is a great example, with vibrant visuals and smooth touch controls optimized for iOS and Android