Gradius III and IV (グラディウスＩＩＩ&ＩＶ ～復活の神話～, Guradiusu Surī ando Fō: Fukkatsu no Shinwa) is a compilation game combining ports of the arcade versions of Gradius III: From Legend to Myth and Gradius IV: Resurrection. It was released in Japan on April 13, 2000, and later in North America and Europe in November 2000 as simply Gradius III and IV.