Quoridor is a must among strategy games. Its rules are amazingly simple: just make it through the labyrinths your opponent creates to get to the other side. This game requires strategy and quick thinking for two players and offers a load of fun for four Quadraphonic Quoridor, What's quadraphonic you ask? It's when a sound system produces sound from four signal sources. Why is it mentioned here? Well, when four people are shouting at each other because they've all managed to backstab each other in Quoridor, you'll understand.