Dragon Quest Heroes: The World Tree's Woe and the Blight Below (ドラゴンクエストヒーローズ 闇竜と世界樹の城, Doragon Kuesuto Hīrōzu Yami Ryū to Sekaiju no Shiro, subtitle translated as "Dragon of Darkness and Castle of the World Tree") is the fifth third party Omega Force collaboration. It is also the first Japanese Dragon Quest title to be named Heroes, the first Dragon Quest to be localized in Taiwan, and the first Dragon Quest to be available on Steam. This game has a derivative sequel called Dragon Quest Heroes II Futago no Oh to Yogen no Owari.