To access and update your Personal Data please contact us via email at privacy@kefirgames.com. You can request complete deletion of data in this article. 

Personal Data means account information collected by us (you can find a list of such data in the "Terms and Privacy" section of the game settings), in this case, we do not mean a simple removal of game progress. If you just want to start the game over, you can learn how to do it in this article.