Although it was a technical test, the online players were in a saturated state all the time. The final closed beta test of Earth Community, the first 3D chess and card online game which drew attention from the industry and players, continued to be as popular as in the previous two tests. Moreover, under the circumstances of the newly opened competitive mode, it received more applause and approval from professional players, who enjoyed the pleasure of competition in mind sports and leisure games, and had a great time with the rich prizes obtained through communicating with friends.