Playing word games helps vocabulary stick because they make learning fun and...

https://milosmasterdigest.cloudhinter.com/posts/how-to-use-new-vocabulary-in-writing-without-sounding-awkward

Playing word games helps vocabulary stick because they make learning fun and interactive. When you guess a word like "deal" in a game, you actively recall its meaning and see it used in context, which helps your brain remember it better