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First videogame to allow online competition from players for the Nintendo Wii

First videogame to allow online competition from players for the Nintendo Wii
Who
Pokémon Battle Revolution
When
December 2007
The earliest video game to allow online competition from players for the Nintendo Wii was Pokémon Battle Revolution which was released in December 2007. It was also the earliest game to link the Wii and Nintendo DS.