Hypercasual games don't monetize through in-app purchases, but through advertisements (interstitial, banner, and rewarded video ads). A hyper-casual game is onl

Hypercasual games don't monetize through in-app purchases, but through advertisements (interstitial, banner, and rewarded video ads). A hyper-casual game is only profitable if it can retain a player for an extended period of time. So, there isn't a psychology behind people spending money in these games as most people aren't spending any money at all. That's one of the reasons why the genre is so popular.