「シヴィライゼーション4」の拡張パック。本拡張パックを導入すると，ケルト，カルタゴ，オスマン帝国，バイキング，ズールー，高麗の6文明と10人のリーダー（アウグストゥス，ブレニュス，ハンニバル，メフメド2世，ラグナー，ラムセス2世，シャカ，スターリン，王建，チャーチル），八つのシナリオなどが追加される。

最低:
Supported OS:Windows® 2000/XP/Vista
Processor:1.2 GHz Intel Pentium 4 or AMD Athlon processor or equivalent
Memory:512 MB RAM
Video:DirectX 9.0c-compatible 64 MB video card with Shader 1.1 Support or better
DirectX® Version:Sid Meier's Civilization IV: Colonization DirectX(r) version (included on install)
Sound:DirectX 9.0 compliant sound card
Hard Drive:900 MB

推奨:
Processor:1.8 GHz Intel Pentium 4 or AMD Athlon processor or equivalent
Memory:1 GB RAM
Video:128 MB Video Card w/ DirectX 9 support (pixel & vertex shaders)
Sound:DirectX 9.0 compliant sound card

（C）2005 Take-Two Interactive Software and its subsidiaries. All rights reserved. Sid Meier's Civilization IV, Civ, Civilization, 2K Games, the 2K Games logo, and Take-Two Interactive Software are all trademarks and/or registered trademarks of Take-Two Interactive Software, Inc. Developed by Firaxis Games. Firaxis Games and the Firaxis Games logo are a registered trademark of Firaxis Games, Inc. The ratings icon is a trademark of the Entertainment Software Association. All other marks and trademarks are the property of their respective owners. All rights reserved.
（C）2005 Take-Two Interactive Software and its subsidiaries. All rights reserved. Sid Meier's Civilization IV, Civ, Civilization, 2K Games, the 2K Games logo, and Take-Two Interactive Software are all trademarks and/or registered trademarks of Take-Two Interactive Software, Inc. Developed by Firaxis Games. Firaxis Games and the Firaxis Games logo are a registered trademark of Firaxis Games, Inc. The ratings icon is a trademark of the Entertainment Software Association. All other marks and trademarks are the property of their respective owners. All rights reserved.
(C) 2006 Take-Two Interactive Software and its subsidiaries. All rights reserved. Sid Meier's Civilization IV, Civ, Civilization, 2K Games, the 2K logo,Firaxis Games, the Firaxis Games logo, and Take-Two Interactive Software are all trademarks and/or registered trademarks of Take-Two Interactive Software, Inc.FireFly Studios and the FireFly Studios logo are trademarks of FireFly Studios. The ratings icon is a trademark of the Entertainment Software Association.All other marks and trademarks are the property of their respective owners. All rights reserved.