Dragon Ball Z: Extreme Butoden demo now available in Japan - Gematsu
PSA: Arc System Works' Dragon Ball Z: Extreme Butoden demo is out in US – Destructoid
Amazon.com: Dragon Ball Z: Extreme Butoden - Nintendo 3DS : Bandai Namco Games Amer: Electronics
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Nintendo 3DS - Dragon Ball Z: Extreme Butoden - YouTube
Dragon Ball Z: Extreme Butoden for 3DS Reviews - Metacritic