Looney Tunes: Space Race cheats and cheat codes for Dreamcast

Go to the "Cheats" option and enter the following cheat codes:
If the codes is accepted, you should hear a sound.

Enable cheat mode: Enter "CHEESFISH"

ACME 2 track: Enter "MAROON"
All characters available: Enter "CHAR"
All tracks available: Enter "TRACK"
Disable gags: Enter "SUCCOTASH"
Galactorama 1 track: Enter "YOIKS"
Galactorama 2 track: Enter "DODGPARRY"
Mars 2 track: Enter "SCWEWBALL"
Nebula track: Enter "MRFUZZY"
Off World 1 track: Enter "DURNIDGIT"
Off World 2 track: Enter "PALOOKA"
Reversed tracks: Enter "SAMRALPH"
Unlimited turbo: Enter "DUCKAMUCK"
Unlock all ACME events: Enter "3LILBOPS"
Unlock all challenges: Enter "MOIDALIZE"
Unlock gallery items: Enter "MICHIGANJ"
Unlock Marvin Martian: Enter "REDWAGON"
Unlock Porky Pig: Enter "YAVARMINT"
Wild West 1 track: Enter "HOGGRAVY"
Wild West 2 track: Enter "MACKEREL"