The chairperson selects an object/idea/whatever and announces whether it's animal, vegetable, mineral, and/or abstract. The others have to ask questions to figure out what it is. Whomever guesses the object correctly is given the chair for the next round; repeat ad nauseam.
Riff, no. Kim,on balance I would say yes. BM, no. Chalky, no. Lib, yes it does exist. Raak, you can but do not think of it in the singular..it is abstract.