Randomness in game design can make each playthrough feel fresh and surprising....

https://ariasmastercolumns.cloudhinter.com/posts/what-are-cluster-pay-slots-and-why-do-they-look-so-different-2

Randomness in game design can make each playthrough feel fresh and surprising. It boosts replayability by shaking up the scenarios you face. But too much randomness can leave players feeling like their choices don’t matter