Sonic the hedgehog "2006" PC Version is a recreation of the 2006 console sonic game titled: Sonic the Hedgehog. Using a heavily modified version of the Blitz Sonic engine,it features new visual enhancements to the engine as well as Sonic 06 like abilities and 3 Playable characters (Sonic, Shadow and Silver)</p>
As of October 2015 Gistix moved all of game contents to Unity, therefore the game is no longer based on BlitzSonic .
A New Start... Edit
As he discontinued making his project on BlitzSonic Engine, he started on Unity and released a demo.