The original December 2006 disc credits "Hudson Soft" alone. Rev 1 adds a small credit line for on the title screen’s legal disclaimer, reflecting a late-stage legal agreement regarding the Wii’s online features (even though online was minimal).

The most reliable way to identify a physical Rev 1 disc without putting it into a console is by looking at the inner ring on the shiny side of the Wii disc.

: Players can unlock and use various accessories and costumes to customize their own Bomberman character. Bomberman Wiki Japanese Release and Revisions

Strangely, Rev 1 removes one unlockable character: (a reference to a long-running Japanese period drama). Reason unclear – likely expired promotional license between Hudson and TBS. In its place, Rev 1 adds a generic "Hudson Bee" reskin. No Western release ever had Mito, making this change invisible outside Japan.

If you are looking to run Bomberman Land Wii (Japan) (Rev 1) via emulation, the handles this title exceptionally well.

Bomberman Land Wii (known in Japan as Touch! Bomberman Land Kaishin Game Daigaku ) remains a standout title for the Nintendo Wii. Released in 2007, this game blends traditional maze-based puzzle action with an expansive theme park world filled with diverse minigames. However, within the retro gaming and emulation communities, one specific version generates significant interest: the dump.

Item description from the seller The Nintendo Wii Bomberman Land Wii Japan Version is a video game software published by Nintendo.