20 Questions Category is a popular game where one person thinks of an object and the other players have to GUESS what it is by asking up to 20 YES or no questions. The crossword solutions for this term are VEGETABLE (9 letters), ANIMAL (6 letters), MINERAL (7 letters), YES (3 letters), QUIZ (4 letters), and GUESS (5 letters). These words all relate to the game, as they are either objects that can be guessed or words used in the game.