Studio Pixel
Pixel's website. Cave Story DSi Official Site
The official website for Cave Story on DSi. 洞窟物語のウラガワ Cave Story 3D Official Site
The official website for Cave Story 3D on the Nintendo 3DS. 洞窟物語３Ｄ
Official site for the Japanese port of Cave Story 3D. Nicalis
The company behind Cave Story's commercial port to WiiWare.