Extra Ball Guide Lines Made Available in Option Screen
At the title screen press Up, Triangle, Down, X, Left, Square, Right, Circle.
Extra Options
Defeat Every Player in Normal Rank. Alternatively enter the password: MEGABYTE.
View ball paths:
At the title screen, press Up, Triangle, Down, X, Left, Square, Right, Circle.
Set the "Guideline Detail" to "High". The object ball will have a red line coming from it, while the cue ball's path will still be displayed in white.