Play the World is the new add-on for Civ III that adds multiplayer game support, new civilisations, units and features.
Apolyton CS Forums - Civ3-Play the World
Discussion forum Civ III PtW related chatter.
Civilization III Fanatics' Center - Play The World Units
List of all the new units in the expansion.
Last update:May 11, 2015 at 5:45:10 UTC