Jet Grind Radio - Platform: Dreamcast

Love Shockers gang:
-------------------
Successfully complete all Shibuya-cho levels 
with a "Jet" rank to unlock the Love Shockers 
gang. 

Noise Tank gang:
----------------
Successfully complete all Benten-cho levels 
with a "Jet" rank to unlock the Noise Tank 
gang. 

Poison Jam gang:
----------------
Successfully complete all Kogane-cho levels 
with a "Jet" rank to unlock the Poison Jam 
gang. 

Goji Rokkaku:
-------------
Unlock the Love Shockers, Noise Tank, and 
Poison Jam gangs, then successfully complete 
all the Grind City levels with a "Jet" rank 
to unlock Goji Rokkaku. 

Pots (the Dog): 
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First, unlock all the bonus characters (Love 
Shockers, Noise Tank, Poison Jam, and Goji). 
After completing the game, play the "Monster 
of Kogane" level before "Benten Boogie". 
After completing those levels, a Noise Tank 
will challenge you after Chapter 2. Defeat 
the Noise Tank Challenge to unlock Pots. 

Skate backward:
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While skating, press Down, Up.