Blue Spheres Forever
About
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 code
- A simple level editor, which will allow you to build your own custom stages
- 3D and Full HD OpenGL-based graphics engine
- Built-in interlaced stereoscopic 3D support
- Remastered music and SFX