Chaos Rings (ケイオスリングス Keiosu Ringusu) is a role-playing video game developed by Media.Vision and published by Square Enix. It was released worldwide on April 20, 2010 as an exclusive title for iOS, but it was later ported to the Android and Windows Phone 7 platforms. Effective May 31, 2016, Square Enix ended distribution of this title, and it is no longer available for download or purchase. Produced by Takehiro Ando, characters were designed by Yusuke Naora, the art director of Final Fantasy VII, VIII, and X among other successful titles.