Six switches · one door · you vs AI

Crack
the Rule.

A secret rule decides when the door opens. Experiment, form a theory, and prove it in fewer tries than the AI.

Live: testing a mystery rule

How it works

Flip any of the six switches and try the door. Every try costs a point, so make each one count.

Is it about which switches? How many? Neighbours? Symmetry? Spot the pattern before the AI does.

Take the exam: predict the door for 8 new patterns. Ace it to crack the rule. Miss one, +3 points.

You race an AI on the same rule. Its tries stay hidden until you finish, then you get to watch how it reasoned, guess by guess.

Twist mode: the rule secretly changes partway through. Who notices first?

Invent a rule, get a link, send it to your friends. They race the AI to crack it, and nobody sees the answer until the end.