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Full account signup options

If you already have a free account which you would like to upgrade, or a full account which you would like to renew, please log in first.

Full account features

With a full account you benefit from more features at Godoku:

Sudoku generating: 15 daily
Sudoku solving: 45 daily
Killer Sudoku generating:* 5 daily
Killer Sudoku solving:* 15 daily
Super Sudoku generating: 6 daily (1 very hard)
Super Sudoku solving: 15 daily
Samurai generating: 5 daily (1 very hard)
Samurai solving: 15 daily
Godoku solving: 45 daily
Sudoku ratings: all difficulties
Super Sudoku ratings: all difficulties
Samurai/Killer* ratings: all difficulties
Sudoku printing: unrestricted
Sudoku to email: unrestricted
Sudoku import/export: unrestricted
Popular solved puzzles: unrestricted
Daily Sudoku: 1 month history
Symmetry selection: full control over symmetry
Members' puzzle book: 700 exclusive puzzles
Newsletter subscription: optional
Syndication: on request

*Please note that the Killer Sudoku generator and solver are temporarily unavailable due to the Flash browser support end-of-life issue. We are currently developing a replacement which does not use Flash. We will be announcing the launch of this in our newsletter, so if you are subscribed to our newsletters you will know as soon as it goes live.