Vthe game twenty questions is based on the categories shape, use, and composition animal, vegetable, and mineral reptile, fish, and mammal noun, verb, and adjective

I believe the answer is:animal, vegetable, and mineral

The game begin by making each players take a card which contains a picture or a word for animal, vegetable, and mineral.

These players than should show this card to other player but they are not allowed to see their own card.

After that, each players could ask 20 questions to other players that could be answered by either yes or no in order to figure out what their card is.