Playing word games makes vocabulary stick because they use active recall, which...
https://averyscoolthoughtss.tearosediner.net/how-to-build-vocabulary-without-memorizing-50-words-a-day
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