Goexch9 is a popular online game that is known for its unique gameplay and challenging levels. It is a game of strategy and skill, with players having to use their brains and reflexes to clear the levels. The game is played on a grid of 9x9 squares, with each square containing a different colored gem. The player's goal is to clear the grid by moving the gems around and creating matches of three or more gems of the same color. When the player creates a match of three or more gems, the gems are removed from the grid and new gems fall down to replace them. The player can continue to move the gems around and create matches until the grid is cleared.