Dragon Quest IX: Sentinels of the Starry Skies (ドラゴンクエストIX 星空の守り人 Doragon Kuesuto Nain Hoshizora no Mamoribito?) is a role-playing video game for the Nintendo DS. It was developed by Level-5, and published in 2009 by Square Enix in Japan; it was published by Nintendo in North America and PAL regions a year later, in 2010,[1] making it the second numbered installment of the series to be released within Europe and Australia, after Dragon Quest VIII: Journey of the Cursed King.