The Hedgehog Engine is a proprietary game engine developed by Sonic Team that is primarily used in games in the Sonic the Hedgehog series.
Hedgehog Engine
Game Engine
for Game Engine in Sonic Heroes 2: Revenge Of Metal Overlord
Suggested by modothegreatest
Separate teams once again embark on exciting adventures, where interesting missions await them, as well as the fight of Dr. Eggman and Metal Sonic. But later they learn that Metal Overlord has risen again, and this time with greater power.