Choro Q Marine Q Boat Select same boat
At the track selection screen, select “Free Run” mode, then press Up(2), Down, Up, X.
Extra mode
Complete all the missions, finish in first place on all tracks, and collect all stone signs from the tracks. Then, the “????” selection on the options screen will turn into “Extra mode”. Use this option to access a “Death Fight” feature and the bonus Marinoid Bay track.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original