The Sonic fan game sphere has been known to generate some pretty impressive stuff. One particular game with quite the following is Sonic: Before the Sequel, (which you can check out here) an adventure set between Sonic the Hedgehog and Sonic the Hedgehog 2 which boasted over 50 levels and had some really cool boss fights.
A sequel, Sonic: After the Sequel has been in development since the end of last year, with many Sonic fans eagerly anticipating its release. While the full game isn’t finish just yet, the team behind the game have released a demo to give everyone a taste of their next ambitious project. Among the new additions to the sequel are cutscenes and run-along battles like those featured in the first levels of Sonic the Hedgehog 3 and Sonic & Knuckles.