"Deep Dungeon (\u30C7\u30A3\u30FC\u30D7\u30C0\u30F3\u30B8\u30E7\u30F3) is a series of role-playing video games developed by HummingBirdSoft. The first two installments were released on the Family Computer Disk System by Square's label DOG; the third one was released on the regular Family Computer by Square directly and the final one by Asmik."@en . . "1990-04-06Z"^^ . "Deep Dungeon IV: The Black Sorcerer"@en . "Deep Dungeon III: Y\u016Bshi heno Tabi"@en . "1987-05-30Z"^^ . "1986-12-19Z"^^ . . . "Y\u016Bshi no Monsh\u014D: Deep Dungeon"@en . "Deep Dungeon: Mad\u014D Senki"@en . . . . . "1988-05-13Z"^^ .