It's easy to forget that the youngest millennials are now between 23 and 24 years old. They're well into adulthood, basically. And with the responsibilities of adulthood comes significantly less time to play video games.
So it's no surprise that many are now gravitating towards games designed for shorter play sessions. And this isn't just something we see on mobile – all you have to do is look to the overwhelming success of Animal Crossing: New Horizons to see that console gamers are similarly drawn to titles that can be experienced in bite-sized chunks.