Playing word games helps vocabulary stick by making learning active and fun....

https://abigailsexcellentperspective.image-perth.org/what-is-slingo-and-why-is-it-a-word-i-keep-seeing

Playing word games helps vocabulary stick by making learning active and fun. When you guess words like "deal" in a game, you use active recall, which strengthens memory. Games also give immediate feedback, so you know right away if you’re getting it right