
A mystery that logic alone cannot solve
Uncover the truth with Yes/No questions

The man picked up a knife and, without hesitation, sliced his own face clean in two. Instead of screaming, the men around him burst into cheers and applauded his action. What on earth was going on?

Ask questions that can be answered with "Yes" or "No"

Keep asking questions to uncover the hidden truth

Declare your answer when you think you've solved it

A mystery that logic alone cannot solve
Uncover the truth with Yes/No questions

The man picked up a knife and, without hesitation, sliced his own face clean in two. Instead of screaming, the men around him burst into cheers and applauded his action. What on earth was going on?

Ask questions that can be answered with "Yes" or "No"

Keep asking questions to uncover the hidden truth

Declare your answer when you think you've solved it