Using homebrew tools (e.g., SaveGame Manager GX), the raw save data consists of:
| File (typical) | Purpose | |----------------|---------| | data.bin | Main progression: islands unlocked, quests completed, boss flags. | | char.bin | Character-specific data: Straw Hat crew levels, Devil Fruit usage, skill sets. | | item.bin | Inventory: all crafting materials (up to 999 each), recipes, and equipment. | | sys.bin | System settings, BGM toggle, control configuration, and language flag (JP/EU). | One Piece Unlimited Cruise 2 Save Data
Note: The game uses checksums to prevent tampering. Manual hex editing often corrupts the save unless checksum correction tools (e.g., OPUC2 Save Editor) are applied. Using homebrew tools (e
Technical Overview and Management of Save Data in One Piece: Unlimited Cruise 2 | | sys
One Piece: Unlimited Cruise 2 is an action-adventure game developed by Ganbarion and published by Namco Bandai Games. Released for the Nintendo Wii (2009 in Japan, 2010-2011 in PAL regions) and later ported to the Nintendo 3DS (2015, Japan-only), the game is the direct sequel to Unlimited Cruise 1: Treasure of the King . The save data mechanism is crucial due to the game’s heavy emphasis on item crafting, character progression, and save data inheritance from the first game.
| Issue | Cause | Workaround | |-------|-------|-------------| | Corrupted save | Power loss during autosave (after boss fights or island transitions) | Use a backup from SD card (Wii) or disable “Auto-Save” in options. | | Failed inheritance | Unlimited Cruise 1 save is from a different region (e.g., NTSC-J vs PAL) | Region headers differ; use a save region changer (homebrew). | | “Unreadable data” error | 3DS version checks for original SD card encryption | Only fixable by restoring a prior backup via 3DS system settings. |