"20 Questions" is a popular guessing game where one player thinks of an object, person, or place, while the other players ask up to 20 yes-or-no questions to identify it. The goal is to guess the answer within the limit of questions. The game encourages critical thinking and deductive reasoning as players narrow down possibilities based on the responses they receive. The game can be played in various settings, such as parties, classrooms, or family gatherings, making it a versatile activity. It can involve any category, including animals, famous people, or everyday objects, allowing for endless fun and creativity in guessing.