i wouldn't be so confused if this was the first rumble group, but it's the THIRD. the third community for a niche spin-off series. what the hay... it's not even "why this over (other game)", but just, why at all? i'm bewildered here.
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This game has Miiverse support!
Its the only Rumble game with somekind of online functionality in some sort outside of microtransactions. also is the last console Rumble game in the series from what i know. (excluding the Mobile game. that one has shutdown with no offline version)