Play the World can also be found on Civilization III: Gold which includes the original Civilization III and Play the World. Little support from Firaxis and the sundry other issues resulted in the gamemode not returning in Civilization IV.
Although the concept was good on paper, it never actually worked very well and many online players experienced Out of sync issues along with others. The game mode allowed a sort of mixture between turn based and real time gameplay. One of the major features of Play the World was a turnless game mode, a new concept never used in the previous versions of the Civilization series. Play the World added more civilizations, a new multiplayer feature, new Wonders of the World, new units and new game modes, including: elimination, regicide, and capture the flag. Civilization III: Play the World is the first expansion pack for Civilization III, released in October 2002.