A little bit about cookie
Cookie - small data files, up to 4kB, that are stored in the web browser for a while. Due to such files, for example, it is possible to save the website settings and the game progress, so that in the future your game process continues from the moment you last closed the page including the parameters you set.
Purpose of using cookies on PlaySUDOKU.online
- Session ID is a standard cookie for the PHP programming language that identifies a unique user session.
- Game parameters - records the process of passing the game and its parameters