Wreckless

GameCube

Music test:

Successfully complete all twenty missions to unlock the "Music Test" selection at the options screen.

Missions A-2 to A-4:

Successfully complete mission A-1.

Gold rank on all missions:

Highlight the "Unlimited time" option at the main menu then press L + R + Right + Z as the game loads.

Alternate view:

Press Down to cycle through different screen effects during game play and replays. To unlock more effects, successfully complete missions A-9, A-10, B-9, and B-10.

AUV:

Successfully complete mission A-9.

Tank-90:

Successfully complete mission B-8.

Missions B-2 to B-4:

Successfully complete mission B-1.

Tiger-SPL:

Successfully complete mission A-8 to unlock the car that Tiger Tagachi drives.

Dragon-SPL Car: