This trailer of Sonic the Hedgehog Genesis, a GBA version of the spiny mascot's original outing, shows the 15-year-old Sega game to be as good as ever - just hit the movies tab to see it for yourself.
You'll be taken on a supersonic trip through the entire first act of the Green Hill zone, complete with Buzz bombers, Crabmeats, Motobugs and Newtrons - the classic enemies developer Sonic Team abandoned all too quickly in later games of the franchise.
The beautiful stylised graphics look thankfully untouched, although some of the sound effects seem different, especially when Sonic releases a Flicky from its robot shell. The spin dash attack (which wasn't introduced until later Sonic games) is also evident, although you can switch it off if you want to stay true to Sonic's first outing.