Blog
- What Fog Does to a Sudoku Rule
Fog-of-war Sudoku hides digits. Add variant rules and it has to decide whether to hide those too. Three design problems, and what each one generalises to.
- Why Hardcore Mode Lets You Be Wrong
Most games tell you the moment you make a mistake. I wanted to know what happened if they didn't — and the first answer I got was a bug, not a feature.
- Why Generating Sudoku Puzzles Is Harder Than It Looks
How Sudoku Fog guarantees every generated puzzle has exactly one answer — and why that is harder than it sounds.
- Why fog of war makes Sudoku better
Classic Sudoku shows you the whole board at once. Covering it in fog changes the experience completely — and surfaces a design problem I did not see coming.