JET SET RADIO FUTURE UNLOCKABLES
Test Run option
After finishing the game then talk to Roboy you will unlock the "Test Run" option. Get Jet ranks to unlock the characters in test run mode.
Akumu
Get a Jet ranking at Fortified Residential Zone.
Beat
Defeat him in a street race.
Boogie
She can be found at Kibogaoka Hill.
Clutch
Follow DJ Professor K's instructions.
Combo
Complete his challenges.
Cube
Beat the Noise Tanks At Sky-Dinosaurian Square, then go to the bottom of the Sewage Facility and defeat Cube in the City Rush.
Doom Riders
Get a Jet ranking at Dogenzaka Hill.
Garam
Complete his challenges.
Goji Rokkaku
Get a Jet ranking at Rokkaku-Dai Heights.