Sonic-adventure-dx -

Players can unlock 12 classic Sega Game Gear titles, such as Sonic Chaos and Sonic Drift .

An overhauled Chao-raising system that allowed for portability with the Game Boy Advance via the Nintendo GameCube Game Boy Advance Cable. The Story and Characters sonic-adventure-dx

A Mission Mode featuring 60 objective-based mini-missions. Players can unlock 12 classic Sega Game Gear