Screamer 2 Cheats

Screamer 2 All Championships
To access all the championships, type "CHMPA" at the main menu.

Screamer 2 All Tracks
To access all the tracks, type "MRTRK" at the main menu.

Screamer 2 Bonus Cars
Type one of these phrases at the main menu for a bonus car. Can someone tell me which cars these provide?

Code   Cartacar  Black Claw Cartbcar  Aphrodite Cartccar  Hornet Cartdcar  Thunder Car