Crowns
A daily logic puzzle I built. Every board has exactly one solution.
Today’s board
This board needs JavaScript. Today’s puzzle is also in the Crowns app.
Open the Crowns appRules
Four rules
- One crown in every row.
- One crown in every column.
- One crown in every coloured region.
- No two crowns touch, not even at a corner.
Keyboard: arrow keys move, Space cycles, Backspace clears, Ctrl/⌘ Z undoes.
Generator
Answer first, puzzle second
The real generator, replayed step by step.
The generator needs JavaScript
- Place a hidden answer: one crown per row and column, none touching.
- Grow one region from each crown until the grid is covered.
- While another solution exists, move one of its crown cells into a neighbouring region.
- Grade the result with a solver that reasons like a person.