1) Acheive Gold on the 6 original Tracks -- Enables Challenge I.
2) Complete Challenge I (Phantom Challenge)-- Enable you to race in the Phantom Class with 2 extra Tracks. Enable you to race the 6 original Tracks in Vector, Venom & Rapier.
3) Acheive Gold on all 8 tracks  -- Enables Challenge ][ Enable you to race all 8 Tracks in Rapier & Phantom Class.
4) Complete Challenge ][ (Piranha Challenge) -- Enables the Piranha Team.

SUPER CODE  ==
Type in this Code for Password to enable all Tracks, Classes & Teams.
 [] () [] /\ () /\ >< [] >< () [] /\ >< []  

ANIMAL TEAMS CHEAT  ==
Whilst Game loads, Hold L1+R2+START+SELECT

MENU CHEATS  ==
In any Menu, hold L1+R1+SELECT and type in the Codes.
Team Cheat - >< >< >< >< () /\ []  Enables Piranha Team.
Phantom Track Cheat - /\ /\ /\ () () ()  Enables Phantom Class with 2 extra Tracks.
Track Cheat - [] () /\ () []  Enables Phantom Class with 2 extra Tracks.
Race the original 6 Tracks in Vector & Venom Class.
Race all 8 Tracks in Rapier & Phantom Class.

RACE CHEATS  ==
Pause the Game, then hold L1+R1+SELECT and type in the Codes.

Mini Gun - [] () >< [] () >< /\  
Unlimited Energy - /\ >< [] () /\ >< [] ()  
Unlimited Weapons - >< >< [] [] () () /\  
Unlimited Time - /\ [] () >< /\ [] () ><