Something different. Think of an object. 20 attempts are made trying to guess what it is.

I tried, using "poker chip" and it was solved in 20 questions. "Ballpoint pen" went over the 20.

http://y.20q.net/anon?b_HMRi!OPR6C.XvTYSM6SVdxvLQm9!kWz1g