To unlock the in-game sound test, press Y and B at the same time at the game's main menu.
Unlockable: Hyuga's Secret Shots
The list below shows Hyuga's secret shots. Unlock them via the techniques listed.
- Final Tiger Shot - Hyuga should confront Shiniori when Japan plays Brazil
- Lightning Shot - Hyuga should dribble up to the goal area in the White vs. Red match