Playing word games helps vocabulary stick because you actively recall words...

https://zionsniceperspectives.zenbloomer.com/posts/games-that-help-with-vocabulary-for-exams-without-feeling-like-revision

Playing word games helps vocabulary stick because you actively recall words like "respawn" in fun, low-pressure ways. Instead of just reading, you use the word in context and get immediate feedback when you guess right or wrong