While at the title screen, press Up, Triangle, Down, X, Left, Square, Right, Circle. When done this correct, a sound will chime. Set your detail guideline to 'high'. There will be a red line visible at the object ball, while the cue ball's path will still be displayed in white.
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.