Blue Spheres Forever

A remake of the "Blue Spheres" special stages from Sonic 3/Sonic & Knuckles featuring: All the original Blue Spheres levels (about 128 millions) playable by typing their 12-digit codeA simple level editor, which will allow you to build your own custom stages3D and Full HD OpenGL-based graphics engineBuilt-in interlaced stereoscopic 3D supportRemastered music and SFX