The game first appeared in Japan in 1984 where it was given the name "Sudoku," which is short for a longer expression in Japanese -"Sūji wa dokushin ni kagiru" - which means, "the digits are limited to one occurrence."
SuDoku (current version V4.10 September 2025)
The spreadsheet assists in completing the SuDoku puzzles with various levels of assistance and error detection of false moves.
New features include a floating Toolbar in older Excel versions, ribbon Add-ins in newer Excel versions, improved printing and performance
Addition of hidden singles in pencil marks for difficult type puzzles, to further assist.
Latest Download xls file (211kb)
After download, right click properties and unblock the file before opening
Open the file with Excel and accept to run macros or it will not work
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SuDoku (old version V3.70 May 2024)
The spreadsheet assists in completing the SuDoku puzzles with various levels of assistance and error detection of false moves.
New features include a floating Toolbar in older Excel versions, ribbon Add-ins in newer Excel versions, improved printing and performance
Download xls file (150kb) [After download, right click properties and unblock the file before opening]
After download, right click properties and unblock the file before opening
Open the file with Excel and accept to run macros or it will not work
SuDoku (old version V3.55 April 2009)
The spreadsheet assists in completing the SuDoku puzzles with various levels
of assistance and error detection of false moves.
After download, right click properties and unblock the file before opening
Open the file with Excel and accept to run macros or it will not work
