Board Thread:General Discussion/@comment-5116013-20140126165401/@comment-2221250-20140701231553

As far as I remember, there has been one game since Generations, Lost Worlds. As far as I can tell, Shadow will appear again, given his popularity with the fans (If I remember correctly, one poll stated Shadow was the second most popular, falling behind Sonic).

Depending on what games Sega makes next, however, Shadow may not appear (If they make another episode of Sonic 4, then we won't see him, since that would make no sense whatsoever), but if the series doesn't die anytime soon, we'll likely see Shadow appear in another game.