Use your mouse to cut the rope and to swing the ball into the emerald, think carefully how you swing it. Make it land on sonic to pass the level.
Some of our games still uses flash, be sure to click on the square in the middle then click allow flash when asked by your browser. Your browser may ask you to enable flash for each game you play, just use the same method on those too.
Click on the link below which says "Go to the game..." to go straight to the game.