This is unconfirmed, but apparently download links for all Cave Story ports were withdrawn recently at the request of the original developer Pixel. A poster on Amigaworld.net let slip that the game will be released as a commercial WiiWare title on Nintendo's console sometime in the near future. (mockup cover art: Niklas Jansson)

AmigaOne: Cave Story gets commercial release
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AGTP translation
Doukutsu Monogatari tribute site