Simple digital games stick around because they’re easy to jump into anytime....

https://research-wiki.win/index.php/Card_Games_Online_That_Are_Easy_to_Pick_Up:_Perfect_for_Busy_Schedules

Simple digital games stick around because they’re easy to jump into anytime. With familiar rules—like puzzles, trivia, or card games—you don’t have to spend minutes figuring things out