A 3D open-world adventure platformer game. Knuckles wonders if he truly is the last echidna on Earth. Ever since Chaos destroyed the world a long time ago, there hasn't been one echidna to ever exist but him. So Knuckles decides to look out in the world for any trace of his lineage, while also protecting the Master Emerald from evil. What he will find on his journey is something far beyond his expectations.
