Radix Ace Entertainment Co., Ltd (株式会社ラディクスエースエンタテインメント) was a Japanese animation studio closed on October 1, 2006. The studio was formed on September 3, 2001[1] from a merger between Radix (株式会社) (founded on December 6, 1995) and Zero-G Room (株式会社ゼロ・G・ルーム) (founded on September 11, 1991). Much of the staff from Radix Ace joined Seven or merged with Mobanimation to become Radix Mobanimation in 2007.