One especially useful feature is the , which lets you switch between the original Japanese/European score and the North American version. Because these two soundtracks are vastly different in style, having the choice ensures you can enjoy the one that best fits your preference. Other valuable features in this version include:
: You can choose between the original "Sonic CD" style spin dash or the more familiar "Sonic 2" style. SonicCD PSN
The PlayStation Network (PSN) version of —a 2011 remaster by Christian Whitehead—includes several features that make it the definitive way to play. One especially useful feature is the , which
: For the first time, you can unlock Sonic's sidekick, Tails, after completing the game once. One especially useful feature is the
