Rock 'n' Roll Racing Cheats

Unlock Olaf:
Highlight Tarquinn, then press and hold L + R + Select and push Right in the driver selection prompt. Olaf from The Lost Vikings will now be unlocked as a driver in normal or versus mode.

Inferno level in Vs. mode:
Highlight NHO, then press and hold L + R + Select and push Right in the planet selection prompt. The Inferno level will now be unlocked in versus mode.

Larry sound test:
Go to the options screen and place the pointer on Larry. Upon enabling Larry, push L or R to hear different quotations from Larry.