Nintendo has warned South Korean developer Webzen over screenshots released last week to accompany the announcement of massively multiplayer online title Wiki. The game uses a cel-shaded visual style extremely reminiscent of Nintendo"s highly stylised GameCube title The Legend of Zelda: The Wind Waker. The central character shown in one of the screenshots is remarkably similar to Link, adopting a similar shape for his eyes and face, with even the shadowing on his hair and his blue tunic reminiscent of the Nintendo character"s turn on the Cube.