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Website Update
May 1st 2023
- Play
- In the "automatic candidate elimination" mode, box candidates are now also eliminated correctly
- Construct
- If enough fits on the monitor, two previews are now displayed showing what the grid looks like when all known techniques are applied, or brute force.
- You can now also enter cell candidates. These are only an aid for the puzzle creator. The candidates are deleted when the puzzle is published.
Website Update
Apr 16th 2023
- General
- NEW: Variant Sudokus are now supported
- Dialogs can now be dismissed by clicking outside.
- GUI tidied up.
- Sudoku grid now downloadable as image.
- Home
- Start page now offers several Sudoku categories (some classic some variants).
- Play
- NEW: Auto candidate mode is here!
- You can now switch between error visualization modes in the settings.
- Show errors when finished
- Show errors on collision
- Show errors on invalid placement
- Solver
- Fixed issue where some XYZ-Wing would not be found.
- Fixed XY-Chain.
- Construction
- NEW: Many variant rules now supported. (Diagonal, V, X, Odd, Even, Thermo, Renban, Consecutive, Sandwich, Difference, Ratio)
- NEW: Puzzles can now be published / shared with puzzle name and setter name.
- Easy difficulty selection while generating puzzles.
- Number of given digits can now be chosen.
Website Update
Feb 12th 2023
- General
- Many small improvements
- Play
- Hint system revised. There are now also hints if the cell candidates are wrong.
- NEW: All past "Sudokus of the day" can now also be selected in game mode.
- Colors now shine slightly through the selection
- Solver
- Slider usability improved
Website Update
Jan 20th 2023
- Play
- Colors on a Sudoku can now be hidden if they are purely aesthetic
- Construction
- NEW: When generating, you can now adjust how often a specific technique must occur minimally and maximally
- More options when copying a Sudoku
- Print
- NEW: User defined Sudokus can now be printed
Website Update
Jan 10th 2023
- General
- Sudoku of the Day is now on international daily themes
- some small improvements
- Construct
- NEW: batch Sudoku generation
- NEW: Sudoku templates
- export as text (e.g. CSV)
Website Update
Nov 5th 2022
- General
- added support for many old browsers
- some small improvements
- Play
- timer is now saved between sessions and pauses if website is in background
- Practice
- links for triples and quadruples work again
Website Update
Oct 25th 2022
- General
- NEW: page "home"
- NEW: Sudoku of the Day
- added YouTube and Instagram links
- many usability improvements
- several bugfixes
- no connections to google and such whatsoever, if opted out
- Play
- NEW: region and digit highlighting - it can be adjusted in the settings menu
- NEW: added option to fill all missing cell candidates
- NEW: added customization control
- difficulties of all Sudokus are now displayed underneath the grid
- adjusted difficulties
- Solver
- enlarged timeline slider
- Construct
- generation now tries to find a Sudoku until it succeeds
- Print
- NEW: mode for printing pages with mixed difficulties
Website Update
Aug 5th 2022
- adjusted font sizes
- added tooltips
- added confirmation for switching to solver and pasting
- added visual feedback when player should start a new game
- fixed browser history navigation errors
Website Update
Aug 2nd 2022
- text/translation improvements
- faster icon loading
- wait indicator while page loads
- added confirmation when deleting all cells
- started Sudokus are correctly restored
Website Update
Jul 27nd 2022
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Play
- play computer generated Sudokus in different levels of difficulty
- play self-entered Sudokus (e.g. from a newspaper)
- play imported Sudokus (via unofficial standard or via sudoku.coach format)
- open the currently played Sudoku in the computer solver
- control the Sudoku grid by mouse or keyboard shortcuts (you can see which shortcuts are available by the keyboard icon in the menu bar)
- get tips on the current position, how to advance in the game
- choose in the options in the menu bar between standard candidate notation and Cell&Box candidate notation
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Solver
- load the recently played Sudoku in the solver
- import a Sudoku by text (by unofficial standard or by sudoku.coach format)
- go step by step through all the necessary steps to solve the sudoku
- quickly scroll through all necessary steps
- get a direct overview of the difficulty of a Sudoku puzzle
- get a description of each step, what the solver is doing, and why it works (with a link to a detailed description of the technique)
- considers the entered cell candidates
-
Construct
- let create your own Sudoku
- specify numbers at certain positions
- say which cells should remain empty or should be filled in any case
- have a correct Sudoku created from your input
- these restrictions still exist:
- it may be necessary to press the "Create" button several times to get a valid Sudoku
- some inputs make a Sudoku impossible
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Learn
- get a detailed description of all techniques mastered by sudoku.coach computer solver
- playable Sudokus can be opened directly in game mode or solver mode
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Practice
- choose a technique to practice
- all techniques that the computer solver uses are supported
- adjust the difficulty of the exercises
- get tips where you can apply the current technique
- get the solution and go to the next problem
-
Print
- print out computer generated Sudokus of different difficulty levels
- select the difficulty level, the number of Sudokus per page and the number of pages to print
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General
- in game or solver mode: simply copy Sudokus to the clipboard via CTRL-C, and paste them again via CTRL-V
- increase the visibility of the numbers by clicking the corresponding button in the menu bar
- two languages implemented: English, German