Sonic Eternity (Demo) is a demo release of a Sonic fan game for the Sega Genesis. The fact that it is only a demo indicates that it is an incomplete game. Gameplay specifics are likely to be limited by this factor. Further research may reveal details about its development or planned features. As it's a demo, expect a limited scope of content and possibly unfinished aspects.

Sonic Eternity (Demo)

Sonic ERaZor 1st Public Release (S1 Hack)