Crystal Defenders

Backwards Compatible Title.

Crystal Defenders (クリスタル・ディフェンダーズ Kurisutaru Difendāzu) is a series of turn-based strategy video games developed by MSF/Winds and published by Square Enix. It comprises several iterations released for mobile phones and through online video game delivery services. The games are set in the fictional world of Ivalice and features job classes, monsters and summoned creatures from the tactical role-playing game Final Fantasy Tactics A2: Grimoire of the Rift.

The game was initially released as Crystal Guardians (クリスタル ガーディアンズ Kurisutaru Gādianzu) into three separate chapters for i-mode, Yahoo! Keitai, and EZWeb. The chapters were compiled and released onto iOS under the new name, Crystal Defenders. This version was also ported onto Xbox Live Arcade, PlayStation 3, WiiWare, PlayStation Portable and Android.