Sonic and Tails in a Special StageThe mechanics of Special Stages in Sonic the Hedgehog 3.
In the special stages, you must collect all the blue spheres while avoiding the red spheres. If you collect all the blue spheres you are rewarded with a Chaos Emerald.
This is the first of the special stages. You must collect 102 blue spheres to get the emerald. There are also 64 rings available. To collect the rings, go around the edge of the 4, 4x4 groupings of blue spheres.