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.
[Dazed5] No. The name of both versions refers to nothing but what the thing is.
I just checked that I didn't miss someone getting the right answer. I can't believe this is taking so long. I notice that I said it could be combined with anything, but I'm not sure that's true; it can certainly be combined with anything sweet.