Note: This game is also titled Speed Freaks.


 Unlimited weapons
 Collect a machine gun, missile, bomb or other weapon power-up, 
 but do not use it in the current race.  Finish the race in first place. 
 You will have unlimited use of that weapon during the next race. 
 Submitted by: Lily

 
 Race as Cosworth
 Finish in first place in all races in the easy tournament. Then,
 defeat Cosworth at Millennium Park.
 

 Race as Tetsuo
 Finish in first place in all races in the medium tournament. Then,
 defeat Tetsuo at City One.
 

 Race as Beamer
 Finish in first place in all races in the hard tournament.
 

 Quick start
 Hold Square until the green light disappears, then hold X.

 
 Full turbo bar
 Hold the brakes and accelerate at the same time, do two 360s, then
 release brakes to get a full turbo bar.

 
 Easy turbo
 Hold the brakes and accelerate at the same time. The kart should just
 stay in the same location. When the brakes are released the turbo
 will automatically activate.

 
 Game Shark Codez:
 North American Version
               
  Infinite Retries                
  300F0C38 0002
               
  Infinite Speed Boost on Pick-Up 
  D008F91C 1150
  8008F91E 2400
               
  Unlock Everything               
  800F0520 FFFF
  800F0B80 FFFF
               
  Stop Clock                      
  D00940B0 0034
  800940B2 2400
  D0094160 0028
  80094162 2400
               
  European and Australian (PAL) Version
 
       
  Reverse Joker Command                            
  D00C6104 ????
       
  Brain's Codes                                    
       
  Tournament, League 1, Track 1                    
       
  Infinite Boost                                   
  801505B8 1000
  8015153C 1000
       
  Start on Last Lap                                
  80150594 0005
       
  Have Item Modifier                               
  801505C0 00??
       
  Tournament, League 1, Track 2                    
       
  Infinite Boost                                   
  80155798 1000
  8015671C 1000
       
  Start on Last Lap                                
  80155774 0005
       
  Tournament, League 1, Track 3                    
       
  Infinite Boost                                   
  8015B278 1000
  8015C1FC 1000
       
  Start on Last Lap                                
  8015B254 0005
       
  Tournament, League 1, Track 4                    
       
  Infinite Boost                                   
  80160A44 1000
  801619C8 1000
       
  Start on Last Lap                                
  80160A20 0005
       
  Tournament, League 2, Track 1                    
       
  Infinite Boost                                   
  8016E71C 1000
  8016F6A0 1000
       
  Start on Last Lap                                
  8016E6F8 0005
       
  Have Item Modifier                               
  8016E724 00??
       
  Tetsuo Codes                                     
       
  Time Trial, League 1, Track 1                    
       
  Infinite Boost                                   
  80150D74 1000
  80151CF8 1000
       
  Time Modifier                                    
  80150CF8 ????
  80150CFA ????
       
  Time Trial, League 1, Track 2                    
       
  Infinite Boost                                   
  80155F54 1000
  80156ED8 1000
       
  Time Modifier                                    
  80155ED8 ????
  80155EDA ????
       
  Time Trial, League 1, Track 3                    
       
  Infinite Boost                                   
  8015BA34 1000
  8015C9B8 1000
       
  Time Modifier                                    
  8015B9B8 ????
  8015B9BA ????
       
  Time Trial, League 1, Track 4                    
       
  Infinite Boost                                   
  80161200 1000
  80162184 1000
       
  Time Modifier                                    
  80161184 ????
  80161186 ????
       
  Time Trial, League 2, Track 1                    
       
  Infinite Boost                                   
  8016EED8 1000
  8016FE5C 1000
       
  Time Modifier                                    
  8016EE5C ????
  8016EE5E ????
       
  Time Trial, League 2, Track 2                    
       
  Infinite Boost                                   
  80155C68 1000
  80156BEC 1000
       
  Time Trial, League 2, Track 3                    
       
  Infinite Boost                                   
  80159360 1000
  8015A2E4 1000
       
  Time Modifier                                    
  80155BEC ????
  80155BEE ????
       
  Quantity Digits to Accompany Item Modifier Codes 
       
  00 - Nothing                                     
  01 - Fireball                                    
  02 - Missile                                     
  03 - Rainbow Blast?                              
  04 - 3x Fireballs                                
  05 - Green Splat                                 
  06 - Atomic Blast                                
  07 - POP                                         
  08 - Blow Up Tire Item                           
  09 - Invisibility                                
  0A - Boost Refill                                
  0B - Machine Gun