It is simple to contact us at Sudokumo.com and we are happy to help if you have a problem. Just please make sure to contact us on the right address to that the right person gets your e-mail!
If you have a problem with your Sudokumo game then please get in touch on the e-mail address
Please be careful to include information about your cell phone (brand and model) and your PIN if you have been issued with one subsequent to completed payment.
We work with a number of distributors in different parts of the world who offer Sudokumo on a subscription basis. If you wish to cancel your subscription please first see the instructions you received from the distributor and note that additional information is available in the Get More section within the game. If you have further questions about your subscription please contact the distributor directly.
If you would like to write to us with business matters please e-mail on
Sudokumo is based in the United Kingdom and our address is 118 Walnut Tree Close, Guildford, Surrey, GU1 4UQ.