: This RPG-style mode, featuring the original "Black Shadow" arc, requires manual saving at green circles with floating balls on the map. Completing this mode is essential for unlocking key characters like Hero Mode Completion

For unmodded consoles, you can purchase a USB-to-PS2-Memory-Card adapter online. These allow you to plug your physical memory card into your PC. Once connected, software like myMC or PS2 Save Builder allows you to drag and drop the downloaded Naruto Ultimate Ninja 4 PS2 save data directly onto the physical card.

This requires a USB flash drive and a homebrew utility called .

Ultimate Ninja 4 introduced "Master Road," a semi-open RPG mode that serves as the game's story campaign. While fans love the narrative, 100% completion requires replaying stages multiple times, finding hidden scrolls, and fighting generic bandits repeatedly. For players who just want to access the unlocked characters for multiplayer, this grind can be a barrier to entry.