"Link to 10" simple to everyone to play, but difficult to make crazy genius.
After playing this game too, will know what "simply can not stop." On 5X5 board, each set of numbers will increase, connecting two adjacent digital circle, the circle will be combined and digital +1 until the maximum number of connected, unable to connect up.
"Link to 10" allows you to relieve fatigue and stress, but want to connect to the 10, then the point of the worlds only a few people can do it, do not you try it?