Sonic The Hedgehog CD
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Sonic The Hedgehog CD (ソニック・ザ・ヘッジホッグ CD), or simply Sonic CD, is a platform game in the Sonic the Hedgehog series. It marked the first official appearance of the characters Metal Sonic and Amy Rose. It was released for the Sega CD/Mega CD in Japan on September 23, 1993, in Europe in October 1993, and finally for the Sega CD in North America on November 19, 1993. The game was ported to PC CD-ROM in 1996.