Jet Grind Radio Hear the Sega Scream
Tap A as the game boots. When the Sega logo appears, you’ll hear the famous “Sega!” scream instead of the normal music.
Jet Grind Radio Unlock Prof. K
To play as Prof. K, beat the game and save.
Jet Grind Radio Unlock Poison Jam
To unlock Poison Jam, beat the Kogane-Cho levels, getting a Jet ranking.
Jet Grind Radio Unlock the Love Shockers
To unlock the Love Shockers, beat the Shibuya-Cho levels, getting a Jet ranking.
Jet Grind Radio Unlock Noise Tanks
To unlock the Noise Tanks, beat the Benten-Cho levels, getting a Jet ranking.