In Ni Oui Ni Non: Nature, players need to answer questions as quickly as possible – but without saying "yes" or "no". Can they do it? Yes or no? Um, I mean, is it possible or will they fail? Each round, one player picks a question card — with questions for a child or adult depending on who she intends to confront — then she chooses a victim and starts peppering the player with questions. If the victim ever utters "yes" or "no" when answering, the first player to slap the bell advances her token on the game board. If the victim hesitates too long or answers only with the same vague responses, such as "I don't know", slap that bell! If the victim makes it through the questioning without uttering the forbidden words, however, then she advances on the track. The first player to reach the center of the game board wins. Ni Oui Ni Non: Nature includes more than 900 questions about animals and nature.