Civilization IV 1.74 for Mac is available as a free download on our application library. The software relates to Games. This Mac application is an intellectual property of Aspyr Media, Inc.
From the developer:
HISTORY AS YOU KNOW IT, IS HISTORY
With millions of units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest game franchises of all-time. Now this incredibly fun and addictive game is taken to new heights with new ways to play and win.
You may want to check out more Mac applications, such as Ultima IV: Quest of the Avatar, Colorista-IV or Civilization V: Campaign Edition, which might be similar to Civilization IV.