Yuji Horii is the creator of the Dragon Quest series and of The Portopia Serial Murder Case, a 1983 PC mystery game that, by his own account, he wrote, drew and programmed alone. In October 2026 he shared a short mystery game on X that he says he made with AI in about 30 minutes.
Also reported as: 堀井雄二, YujiHorii
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A short browser interrogation mystery by Dragon Quest creator Yuji Horii, who says he made it in about 30 minutes by giving instructions to an AI.
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