When you Sync Highscore, and have visited more than 100 grids, your grids, your unique randomly generated user id and your chosen user name (which can be changed at any time) is uploaded encrypted to the central Grid Walking server. Absolutely no other information is collected.

If you want to delete this information (or needs help transferring your game data to a new phone), please contact me at This email address is being protected from spambots. You need JavaScript enabled to view it.