I dunno if this screen below is real, but It looks damn good if it is, since I’m a huge Sonic fan. I love the old style game play, it was so simple but devilishly challenging.
Here’s an excerpt of the article I read over at Joystiq.com.
“If this is really leaked off-screen footage and screenshots of Sonic the Hedgehog 4: Episode 1 sent in to 1UP, we’re surprised to say that it really, for real looks like a Sonic game.”
And click the link to read the full article: Possible Sonic 4 Screens