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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 Prize Sudoku:
| Features | |
| 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.