Playing word games makes vocabulary stick because they use active recall, which...

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

Playing word games makes vocabulary stick because they use active recall, which helps you remember words better than just reading. For example, when you guess the word “respawn” in a game, you’re recalling it from memory and seeing it in context