The EX Delta Species Pokemon Cards, released in October 2005, EX Unseen Forces is the twenty-sixth set in the Pokemon Trading Card Game. It is the eleventh set by Pokemon USA, Inc., after the company took over the Trading Card Game from Wizards of the Coast in 2003. The set, which in Japan was named "Researching Tower of Holon", is set in the research centre, Holon. While this set was released after EX Legend Maker in Japan, it was released before Legend Maker, in February 2006, in English-language territories. Its logo is Holon Tower, a tower with a broad top floor.