Playing word games makes new vocabulary stick because they get you to actively...

https://direct-wiki.win/index.php/Why_Repeating_the_Same_Words_in_Games_Doesn%E2%80%99t_Feel_Boring

Playing word games makes new vocabulary stick because they get you to actively recall words like "respawn" in fun, real situations. When you use the word in a game setting, the meaning sticks better than just reading it once