Get Planet X Speedway:
Go to the main menu and press R1, Square, Circle, L2, Triangle, Select 

Get Wackyland:
Go to the main menu and press L1, Circle, Square, R2, Triangle, Select

Get Forest Speedway:
Go to the main menu and press Triangle, R2, Left, Triangle, L1, Select 

Get Planet Y:
Go to the main menu and press Right, Left, Triangle, L2, L1, Select 

Get Pepe Lepew:
Go to the main menu and press Left, Right, R1, Circle, Square, Select 

Get Sylvester:
Go to the main menu and press Left, Left, L1, Triangle, Circle, Select 

Get Evil Scientist:
Go to the main menu and press Square, Circle, L2, R2, Triangle, Select 

Get Duck Dodgers Speedway
Go to the main menu and press Circle, Left, Square, Square, R2, Select 

Get Genie:
Go to the main menu and press Square, L1, R1, Triangle, Circle, Select 

Get Foghorn Leghorn:
Go to the main menu and press Right, Right, L2, Square, Square, Select 

Get Hector:
Go to the main menu and press Triangle, L2, L1, Triangle, Square, Select 

Get Gossamer:
Go to the main menu and press Triangle, Circle, R2, R1, Square, Select 

Get Yosemite Sam:
Go to the main menu and press Left, Right, R2, Square, Circle, Select 

Get Garden Speedway:
Go to the main menu and press R1, Right, Left, L1, Square, Select 

Get ACME Factory:
Go to the main menu and press L2, R1, R2, Triangle, Circle, Select 

Get Rocky:
Go to the main menu and press Triangle, Left, R2, Circle, Circle, Select 

Get Granny:
Go to the main menu and press Circle, Triangle, Triangle, L1, R1, Select