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.
For the dedicated collector or emulation enthusiast, the "Rev 1" version is more than just a different disc; it's a piece of gaming history. Here’s why this particular revision matters. bomberman land wii japan rev 1