There's something about the Nintendo campus that just heaves with secrecy. Its whitewashed buildings with black-tinted windows, closely shrouded by trees, seem more like Langley, Va., than suburban Seattle. Even if you sneak in, you won't find Nintendo's powerful new video-game console, the GameCube, in any of the display cases. Nor will you hear the staff speak the names of the games that will be released for it. "We've said the right amount on GameCube, which is nothing," chuckles the sagelike executive vice president Peter Main. "We've got our friends across the road saying, 'What are they doing?'"
If your friends...