If you’re looking for a challenge for Civ3, then don’t go further, and look here! The new “Game Of The Month” is available, you can try to tackle the following to savegames:
In the GOTM #197 for the addon “Play The World” you will play as Carthage on a normal sized wet and warm pangaea map on regent difficulty with restless barbarians. You have until March 31st to tackle this challenge. For more info please check here.
In the GOTM #170 for the addon “Conquests” you play as Germany on a normal size continents map with sedentary barbarians on Deity level. Also here the deadline is March 31st, and you can find the savegame and further info in this thread.