User blog comment:Speeddasher/Future Sonic Games. What do you want to see?/@comment-4802891-20120521092827/@comment-115265-20120521102307

Sonic 4 didn't really look like it was sporting the Hedgehog Engine to begin with, to be honest. Not to me, anyway.

Hedgehog Engine is primarily a graphics engine, anyway. I heard somewhere that Sonic games running it usually run the Havoc physics engine alongside it.