Video games tend to allow players to indulge their fantasies (often homicidal), base desires, and thirst for dominance. But what about a game that attempts to teach the value of hard work, social relationships, and above all, the benefit of being nice? In the era of Grand Theft Auto 3,could a game like this possibly be any fun? Nintendo thinks so. Hence the game maker's new high-concept creation for the Game Cube this fall, Animal Crossing. It's a title, according to Nintendo, "with no conflict, no enemies and no ending." And Nintendo isn't kidding. This game seems to have no point whatsoever,...