Tokyo Xtreme Racer Zero cheats and cheat codes for Playstation 2

Dog
Hold L1 + X + Circle while selecting your shift option. 
Wait and hold the buttons until game loaded completly. 

Genki Gremlin
Hold R2 + X + Circle while selecting your shift option. 
Wait and hold the buttons until game loaded completly. 

Pink monster
Hold R1 + X + Circle while selecting your shift option. 
Wait and hold the buttons until game loaded completly. 

Blue mosquito
Hold L2 + X + Circle while selecting your shift option. 
Wait and hold the buttons until game loaded completly. 


Unlock White Carismo car and get $4 M:
Beat the last Zodiac

Unlock Skyline car for purchase and get $3 M:
Beat the Speed King

Display replay meters
During a replay, push Select.

Full pause screen
Pause the game play and press Triangle + Square. 
Press Triangle + Square again to go back to the pause screen.

Delete scores
Go to time record screen, hold L1 + L2 + R1 + R2 and press Start.

Siren
Modify the rear spoiler to type 5 for the R30M and R30, after use the horn.

Unlock Datsun 240Z for purchase:
Beat every racers including all Wanderers to get a challenge from 
Racer #400. Defeat him.

Machine gun:
Choose a type 5 spoiler for the R30 or R30M. A machine gun should appear 
on the car. During a battle, press Reverse + Brake to fire the gun.

New nicknames:
Choose any team sticker for your car and the team will get a new nickname.
For example, beat one the of the "Black Knights" gang. Afterwards, purchase 
his car, fix it up, and put the "Black Knights" sticker on your car. 
Your nickname should be changed to "Pitch Black Dragon Knight".

Gang - Earned nickname (B.A.D. name) 
Wind Stars - Lightning Valkyrie  
Unlimited - Dragon King 
True Ride - Final Revolution  
TR Racing - The Last Judgment  
Top Level - Highway's Gust 
Tokio Jungle - Fire Punisher  
Thunder Dragoon  - Highway's Ruler  
The Road Of Justice - Wagon Revolution  
Team Catz - Mister Presley  
Team Alpha - Far East Killer  
Super Speed - Wagon  Holy Emperor  
SS Limited - Dusk Coffee 
Speed Master - Victory or Death  
Rolling Guy - Rolling Guy Number 0  
Rings - Greatest Rider 
Rhythm Box - Stormy Drunker  
Ratt - C-1 King 
R.R. - Ultimate Pilot 
R. Gangs - Sexual Violet 
Queen's Paradise - Next President  
Max Racing - Rotary Junky 
Little Gang - Highway Bandit  
Knife And Forks - Ultimate Star  
Highway Outlaw - Legend of Circuit  
Harmonize - Tokyo Neon 
Gesellschaft - Red Moonlight  
Galaxy Racers - Lucky Century  
Free Way - Captain Driver 
Fine Drive - Surprising Meteor  
Fanatic Future - Ultimate Villain  
Explosion - Dragon Fly 
Elegant Wild - Queen's Diamond  
E.R.O. - Gas Gazler 
Dry Cruise - Beat Generation  
Double Mind - Final Bomber 
Diamond Image - Highway's New Star  
Departures - Twilight Conductor  
Curving Edge - Elegant Runaway  
Cupid Arrows - Spiral Emperor  
Commander - Burning Fire 
Black Knights - Pitch Black Dragon Knight  
APS - Yellow Ambulance 
Another Star - Over the Top  
Abflug SRT - Untouchable Man