Civilization IV is a turn-based-strategy (TBS) historical empire-building game developed by Firaxis Games and Aspyr Media. Civilization IV is the fourth instalment for the Civilization series, and like the previous instalments, the goal of the game is to build an empire by expanding your land, learning new technologies, progressing your culture, diplomacy and conquest. The demo allows you to play the first 100 turns in the game.
Mac OS X 10.4 or newer
Intel or PowerPC powered Mac (1.8 GHz or faster)
512 MB RAM
ATI Radeon 9600 / NVidia GeForce FX 5200 or better
Free download at softonic.com