Register your Sudoku name

Choose a name that belongs only to you. Verify your email once, then use your password whenever you sign in to play. Your scores follow your account across devices.

Unique player nameIf Karen is taken, try Karen 2 or Karen Smith. Capital letters do not create a different name. Email address — kept private Password or passphraseUse 15–128 characters. A phrase of several words is welcome. Never reuse your email or banking password. Repeat your password Show my player name and total on the public score register. I agree to the use of my email address to verify and manage my Sudoku account.Your email is stored encrypted and is not shown publicly. Account emails are for verification and password recovery; this does not sign you up for marketing. Your password is stored as a secure hash. Register and email me the verification link

Played before? Register using the same browser and your earlier name where possible. After verification, proven earlier scores are linked to your account. If you changed devices or cleared cookies, choose an available name and use “Request my earlier scores” after signing in.