Dragon Quest (Japanese: ドラゴンクエスト, Hepburn: Doragon Kuesuto), published as Dragon Warrior in North America until 2005, is a series of internationally best-selling console role-playing video game (RPG) titles created by Yuji Horii and his studio, Armor Project.The series is published by Square Enix (formerly Enix), with localized versions of later installments for the Nintendo DS (NDS) being published by Nintendo outside of Japan.