Defeat the Ultimate Ninja Test (100 consecutive battles in Challenge Mode) to unlock a hidden character—usually Minato Namikaze or a special variant of Naruto.
Enjoy your ultimate ninja battles! 🍥
Here’s a short, helpful piece on the topic:
If you’re diving into the first Naruto: Ultimate Ninja Storm and want the full roster without grinding endlessly, here’s the quick path to unlocking every character.