Question 1

Does every board have one answer?

Accepted Answer

Yes. Before a board is shown, a solver checks every possible placement and keeps the board only if exactly one works, and a second solver confirms it can be reached by reasoning alone, with no guessing.

Question 2

What counts as a mistake?

Accepted Answer

Placing a star that immediately breaks a rule: it touches another star, or shares a row, column or region with one. The count is just for you; the board never locks.

Question 3

Where are my bests and streak saved?

Accepted Answer

In your browser's localStorage: your fastest solve for each grid size and your daily streak. They never leave your device.

Question 4

Can I play with a keyboard?

Accepted Answer

Yes. Use the arrow keys to move around the board and Enter or Space to cycle a cell. U undoes a move.