Field notes
Short pieces about how the game is made and what has changed, written by the person who makes it. Newest first.
How a chart is drawn, and proved fair
3 November 2026
Every daily chart passes a fairness gate before it is published: exactly one hex fits the notes, and it can be found by elimination alone. Here is how that works, and why a human setter can mislead you but never cheat.
Why the day turns at 5am New York time
3 November 2026
There is one chart a day for the whole world, and it changes at a single instant. Why that instant is five in the morning in New York, and what it means if you live somewhere else.
What changed this autumn
3 November 2026
Android, share cards with a time to beat, Google sign-in, streak freezes that cover a missed day, and a rewritten first minute on the website. The changes since September, in one place.