The term "word games" refers to a variety of language-based puzzles, challenges and activities that are designed to test one's vocabulary, spelling, grammar or linguistic skills. These can include crosswords, anagrams, word searches, scrabble, Boggle, Mad Libs, and other games that involve using words in creative ways. Word games can be played alone, with friends or family members, or online against others from around the world. They are often used as a fun way to improve language skills, stimulate cognitive function, and provide entertainment.