Crack the safe

Deduce a three-digit code from exact and misplaced matches.

Think · Try · UnderstandWorks in your browser
YOUR TURN

Loading your challenge…

Share your setup

Try it together.

Share the page, or choose to include your setup. Entered names are always omitted from team-picker links.

How it works

How it works.

Try a move or submit your prediction. Check the explanation after playing.

Assumptions and limits

Distinct digits 1–6; feedback counts exact positions and correct digits in wrong positions.

Keep exploring.

Crack the sequence ↗Keep it balanced ↗Make 24 ↗
Browse all simulations, puzzles and tools →
Share this page
Share this experiment