Kick the ball through the goal posts to complete the levels.

Use your mouse to aim crosshair in the direction you want to kick the ball. Make sure you adjust for the wind.

Now click your mouse once to start the power meter. When you have reached the desired power click your mouse button again.

Keep your eye on the power pointer and click again to stop it as close to the orange line as you can for greatest accuary.

If you miss the line ball will hook left or right.