1. Aim the cannon: The cannon is located at the bottom of the screen, and you can aim it by moving your mouse or finger left and right.

2. Shoot the ball: To shoot a ball, click or tap on the cannon. The ball will shoot out in the direction of the cannon's aim.

3. Match the colors: You need to match three or more balls of the same color to clear them from the board. When you make a match, the balls will pop and disappear.

4. Don't let the balls reach the bottom: The balls will continuously roll down the screen. If any ball reaches the bottom of the screen, you lose the game. To prevent this from happening, you need to clear the balls as quickly as possible.

5. Use power-ups: Occasionally, power-ups will appear on the board. These can help you clear the balls more easily or prevent them from reaching the bottom.

6. Advance to the next level: The game has multiple levels, and you need to clear all the balls from the board to advance to the next level. As you progress through the levels, the game becomes more challenging.

7. Set a high score: Try to clear as many balls as possible and set a high score. You can compare your score with other players on the leaderboard.