Jet Grind Radio cheats and cheat codes for Dreamcast

Unlock Poison Jam gang
Finish all Kogane-cho levels and reach "Jet" rating.

Unlock Noise Tank gang
Finish all Benten-cho levels and reach "Jet" rating.

Unlock Love Shockers gang
Finish all Shibuya-cho levels and reach "Jet" rating.

Unlock Goji Rokkaku
First unlock the Noise Tank gang, Love Shockers gang, and
Poison Jam gangs, after finish all the Grind City stages
and reach "Jet" rating.

Unlock Pots
First, unlock Noise Tank, Love Shockers, Poison Jam
and Goji Rokkaku. After finish the game. Play the
"Monster of Kogane" stage. Finish chapter 2. and Noise
Tank will challenge you. Beat Noise Tank to unlock
Pots the Dog.