Generate a Custom Rule Sudoku Puzzle
Choose extra constraints like Cage-Killer, Diagonal, or Regions, and we'll generate a 9×9 Sudoku puzzle with a unique solution. No AI needed— just a backtracking constraint solver. Share the puzzle with a single URL!
- Multiple constraint combos (cage, diagonal, etc.)
- Unique solution guaranteed
- Local storage + query-based puzzle sharing
Great for puzzle enthusiasts who want to design or solve advanced variants.