Put as many same color gems adjacent to each other to make a blast and clear the space on the screen. Minimum of three same color gems should be adjacent to each other to make a blast. If more than three color gems are arranged adjacent to each other, you make an additional blast. Keep arranging them before the wall runs out on you t o increase the score. If the wall runs out on you, the game ends. Using the mouse for shooting the gem to place it adjacent to its color.
Arrange as many gems as possible to increase the score.
If the wall runs out on you, the game will end.