after you beat a story (sonic or babylon) the tracks will have missions.
Clear all missions in mission mode
You beat heroes mode on story
Beat story mode with the heroes and the Babylon rogues.
To acquire Chaos Emerald Gear, you must attain the highest rank on each Story Mode mission.
Cream, Rouge and Shadow: Complete Hero Story mode. Dr.Eggman: Complete Babylon Story mode. NiGHTS, AiAi and Ulala: Complete all missions in Mission mode. E-10000G: Play 20 hours total in Sonic Riders. E-10000R: Play 50 hours total in Sonic Riders. Super Sonic: Achieve a GOLD Rank on all missions in Mission Mode.
beat him any character in classic(not story)mode
Complete all missions to unlock Ulala, Aiai and Nights. For Sonic Riders: Zero Gravity, complete all missions to unlock Nights, Amigo and I think Billy Hatcher, I have them unlocked I just haven't played the game in ages.
its for when you are in attack mode you can take a cheat by running and jumping onto the bumper.
Collect a lot of junk pieces then select a gear to make and you will make it!
to get more missions you clear the story mode and then clear more missions.
You mean Sonic Free Riders? Yes.
you have to get ALL missions in mission mode gold i only got one gold