The game was released to start off the 15th anniversary of the release of the Sonic the Hedgehog series.

The band is also known for creating songs for the Sonic the Hedgehog series.

The game features levels that come from a past game in the Sonic the Hedgehog series.

They are currently missing following the one-year leap forward in the Sonic the Hedgehog series.

Numerous composers have contributed music to the Sonic the Hedgehog series.

Their most famous video games are the Sonic the Hedgehog series.

In the Sonic the Hedgehog series, the player character collects rings, which are usually used as his or her health indicator.

It is part of the Sonic the Hedgehog series.

Shadow also appears in the Sonic the Hedgehog comic series.

Chao have also made appearances in video games outside the Sonic the Hedgehog series.