free connect : match two dots

A brief introduction:
This is a very popular and time-consuming game. It is a good pastime to play when you are bored.
For many people, the game is just a plaything to pass the time, which is of no help to themselves.
However, this time we released a puzzle game that is simple to play but needs to use your brain very much. It can train and improve your brain's logical thinking ability. The game is simple to play but needs to use your brain very much. The number of levels is terrible.
The current version provides 2000+ levels for you to challenge.
1: Same Color Connection: Click on the screen to connect balls of the same color, all colors can be matched, and all grids can be covered to pass the test.
Provide 7 levels of difficulty scenarios, each with about 200 levels.
2. Sequential connection: start from the colored ball with the lowest number of numbers to draw lines, connect to the largest number of numbers in turn, and all the grids will pass through in turn.
Four different levels of difficulty are provided. Come and see how many levels you can pass.
3. Draw at a time: Starting from any point, one stroke line connects all other points, and the lines cannot cross.