question game
one of these sixteen faces is the secret. every answer shrinks the crowd — and the shrinking is the information.
ask about… — or click a face to guess. count the faces before you ask: which question splits them best?
faces left
16
of 16
questions asked
0
a guess counts too
bits per question
–
perfect halving: 1.00
needed in total
4.00
log₂(16) bits
keys: 1–9 and 0 ask · n new game
faces: ai-generated (gpt-image-2)
a question is worth the most when it splits what is left in half. that is exactly one bit.