Q-Ball: Billiards Master Cheat Codes for Playstation 2

All opponents defeated:
Enter MEGABYTE as a password.

Extra options:
Defeat all players in normal rank to be able to change options in 9-ball, 8-ball, rotation, and straight pool.

View ball paths:
Press Up, Triangle, Down, X, Left, Square, Right, Circle at the title screen. A sound will confirm correct code entry. 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.