Unlock everything
Enter "Alakazamm" on the screen where you select your rider
Tiny at level 4:
Enter WHEEL as a password.

Lulu at level 4:
Enter QUICKEN as a password.

All characters at level 4:
Enter FLUSH as a password.

All tracks:
Enter HAZARD as a password.

Play as Fat Hoagie:
Enter HEADACHE as a password.

Play as Hurl:
Enter STRIDER as a password

Instant max bike upgrades
In the survival mode, beat all nine tracks.

Unlock 3 more tracks
In cop patrol, beat the first six tracks.

Unlock character fat hoagie
In wild race, beat the first six hard mode tracks.

Unlock character hurl
In wild race, beat the first six easy mode tracks.

Unlock the survival mode
In the time attack mode, beat all nine tracks