Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Custom Robo Arena, known in Japan as Gekito! Custom Robo), is a science fiction action role playing game for the Nintendo DS. It is the fifth title in the Custom Robo series. The name was announced on May 9, 2006 at the E3 convention, and released in Japan on October 19, 2006, then later in the United States on March 19, 2007. Later, on May 25, 2007, it became the first Custom Robo title released in Europe, and on September 20, 2007, it also became the first title of the series released in Australia.

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