A Twenty Questions Category is a game where one person thinks of an object, and the other players have to guess what it is by asking up to twenty yes or no questions. The two crossword solutions for this term are MINERAL (7 letters) and ANIMAL (6 letters). A MINERAL is a naturally occurring inorganic solid with a definite chemical composition and an ordered atomic structure. Animals are multicellular organisms that consume organic material, breathe oxygen, and are able to move.