This game ("20 Questions") give you recurrent items which you will recognize, and which you can therefore perform without the usual task of having to negotiate the instructions.
"20 Questions is a useful format for practising questions related (or unrelated) to meet people.
The activity:
Think about a famous person and write about (her or him) answering the above questions and others if you want that, without write (his or her) name like I'm going to do it. The others have to guess who is (she/he)...