SudokuVariants

About SudokuVariants

Welcome to SudokuVariants. I'm Milan, and I've been developing SV since April 2021 to showcase a wide variety of Sudoku variations.

One quick request: please keep this site for personal use only and avoid using it for any commercial purposes.

If you have any questions or suggestions, drop me a message via the contact page. I'd love to hear what you think!

Release History

2024-12-08 | 1.0.0 - First release
2024-12-16 | 1.1.0 - Support Even-Odd Sudoku
2024-12-17 | 1.2.0 - Support Windoku Sudoku
2024-12-19 | 1.3.0 - Support Renban Sudoku
2024-12-24 | 1.4.0 - Support Zipper Line Sudoku
2025-01-18 | 1.5.0 - Support Sandwich Sudoku
2025-02-04 | 1.5.1 - Multiple smaller fixes
  • Fix overlapping cells sum and sandwich sum info labels
  • Change color of selected sandwich sum for better visibility
  • Change style of completed sandwich sum for better user experience
2025-02-06 | 1.5.2 - Fix variant icons and help links
2025-02-17 | 1.6.0 - Improve home and variants page performance
2025-02-18 | 1.6.1 - Improved keyboard shortcuts
2025-02-22 | 1.7.0 - Support Equal Sum Lines Sudoku
2025-03-01 | 1.8.0 - Small improvements and a feature
  • Added Share Link (without saving) to setter/solver page
  • New solving algorithm for Arrow Sudoku (when multiple arrows share a house)
  • Better Help for Arrow and Equal Sum variants
2025-03-18 | 1.9.0 - Support Quadruple Sudoku
2025-03-20 | 1.9.1 - Multiple smaller fixes and improvements
  • Fix import of quadruple sudoku
  • Variant filter buttons now have icons
  • Improve help page for German Whisper
2025-04-02 | 1.9.2 - Smaller bug fixes
2025-04-12 | 1.9.3 - Smaller bug fixes
2025-05-10 | 1.9.4 - Smaller bug fixes
  • Numpad enter key now behaves as regular enter key on play page
  • Admin side fixes
2025-06-21 | 1.9.5 - Bug fixes and performance improvements
2025-06-28 | 1.10.0
  • Improve mobile support
  • Option in Play Settings to Hide Sum Hints
2026-03-08 | 1.11.0
  • Better solving hints
  • Smaller fixes
2026-03-14 | 1.12.0
  • Classification of grids by difficulty
  • Fixes on constructor page for candidates
  • Other smaller fixes
2026-03-20 | 1.13.0
  • Minor fixes on set page
  • Minor improvements on set page
  • Other optimizations
2026-07-06 | 1.14.0
  • Use png files for og:image
  • Minor fixes
2026-07-08 | 1.15.0
  • Display grid creator name
  • Redesign contact page
  • Redesign login/register pages
2026-08-09 | 1.16.0
  • Difficulty reclassification
  • Minor fixes

Roadmap

  • 2026-xx-xx | 1.x.x - Between lines variant
  • 2026-xx-xx | 2.x.x - Play page UI rewrite for better performance

If you want to suggest any other variants (or features) to be added please use contact page.

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Grid Snapshots
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Only last 10 snapshots per grid are stored.

Saving snapshot will delete old snapshot with same grid configuration (if exists).

Saving snapshot will save grid in current configuration if grid isn't saved or if it's saved as draft.

Enter sudoku grid as text (use 0 for empty cells). Only classic sudoku grids can be imported as text. Importing grid cannot be undone, please save all previous changes.

Save Sudoku Grid

All public grids must be solvable by SudokuVariants. Looking for solution...

Setter Settings
See help for more info.

Variants
Share URL
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