Fun way to waste some time

(for computer gamers) I've been playing a game of Civilization III with my brother by e-mail. He is playing as the Germans, while I am playing as the Japanese. He will suffer a humiliating cultural or maybe a military defeat by the 1900's, or so I predict...
What an amazing game! Whether you play with human opponents, or just against computer civilizations, you will find yourself sitting in front of your computer for hours on end. This thing is a must for any would-be world leaders out there...