Sherlock Holmes: Hakushaku Reijō Yūkai Jiken (シャーロック・ホームズ 伯爵令嬢誘拐事件, lit. "Sherlock Holmes: The Kidnapping of the Earl's Daughter") is an action video game that was released exclusively in Japan for the Family Computer. An unofficial English translation patch for the game was released on December 9, 2018.