🔐
New
est. 1970 PlayCodebreaker
Code-Breaking Logic Game
🧠 Logic ~4 min Takes practice
Board 2 ledgers
Pure deduction in ten rows — every guess narrows it down. Plus one shared code a day.
Play a round to see where you stand against the house.
Play a round to see where you stand against the house.
Every finished game counts. The board keeps your best score per variant; the rest stays in your history.
Your scores are saved in this browser the moment a game ends. Set a nickname in your profile and qualifying results post to the global board as well — nickname only, no email, no password, no newsletter.
House target and par are set by us from the game’s scoring. They are something to beat, not someone.