GravitySpheres Screenshot - Many Spheres image

I once made a game called "ColorBlocks" with java, it was basicly a Dr. Mario clone. When I started using Unity, i wanted to make another similar puzzle game and ended up using the physics engine. Now it's noch blocks falling, but smarties - sort of. The thing is: They don't just fall and stay where the are, they are all physics objects. If you throw a double sphere down, you may make the fallen spheres change their position. The bar on the right is going higher, and when it's full, all same colored spheres in a chain of three or more explode, helping you to achieve your ultimate highscore.