Pokémon Rumble U Trailer

The following is a quote from the official Pokémon channel on YouTube.
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In Pokémon Rumble U, you'll be able to experience amazingly vivid battles packed with many Pokémon on the Wii U. You may find yourself in a battle with up to 100 Pokémon at a time!
http://www.pokemonrumble.com/RumbleU/en/