Sid Meier's Alpha Centauri

Sid Meier’s Alpha Centauri is the story of humanity’s struggle to colonize a hostile alien world. The game features the perfect balance of exploration, discovery, building and conquest that players ha...

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Official Demos Sid Meier's Alien Crossfire Demo - Windows

The official 100-turn demo of Sid Meier's Alien Crossfire.

 

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Official Demos Sid Meier's Alpha Centauri Demo - Mac

The official demo of the Mac version of Sid Meier's Alpha Centauri.

 

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Official Demos Sid Meier's Alpha Centauri Demo v1.1 - Windows

This is the latest version of the official Windows demo of Sid Meier's Alpha Centauri.

 

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Official Releases Sid Meier's Alien Crossfire Storyline Chapter 9

The unused chapter 9 of the official storyline of Sid Meier's Alien Crossfire.

 

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Official Patches Sid Meier's Alien Crossfire v2.0 Patch - German

This is the latest official patch for Sid Meier's Alien Crossfire.

 

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Official Patches Sid Meier's Alien Crossfire v2.0 Patch - French

This is the latest official patch for Sid Meier's Alien Crossfire.

 

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Official Patches Sid Meier's Alien Crossfire v2.0 Patch - English

This is the latest official patch for Sid Meier's Alien Crossfire.

 

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Official Patches Sid Meier's Alpha Centauri (Mac) Extras

An official addendum to the patch for the Mac version of Sid Meier's Alpha Centauri.

 

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Official Patches Sid Meier's Alpha Centauri Color-blind Palettes

This is an official replacement of ingame palettes that is meant to aid players with red/green color blindness.

 

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Official Patches Sid Meier's Alpha Centauri (Mac) v1.5 Patch

This is the 1.5 patch for the Mac version of Sid Meier's Alpha Centauri.

 

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Media Alpha Centauri Intro

Sid Meier's Alpha Centauri Intro Movie

 

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Modifications SMAc FX Upgrade

Here is a sound effects fix for Sid Meier's Alpha Centauri.

 

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Modifications C&C NOD Mod v1.1

This mod for alpha centauri replaces the spartan faction with the NOD faction from Command & Conquer: Tiberian Sun.

 

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Modifications Alpha Centauri: Millenia Expansion Pack

An expansion pack being developed for Alpha Centauri!

 

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Official Patches Sid Meier's Alpha Centauri v4.0 Update - US / UK English

If you download this update, you *DO NOT* need to download earlier updates. This update encompasses all previous updates.

 

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Official Patches Sid Meier's Alpha Centauri v4.0 Update - French

If you download this update, you *DO NOT* need to download earlier updates. This update encompasses all previous updates.

 

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Official Patches Sid Meier's Alpha Centauri v4.0 Update - German

If you download this update, you *DO NOT* need to download earlier updates. This update encompasses all previous updates.

 

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Official Patches Sid Meier's Alpha Centauri v4.0 Update - Spanish

If you download this update, you *DO NOT* need to download earlier updates. This update encompasses all previous updates.

 

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Official Patches Sid Meier's Alpha Centauri v4.0 Update - Italian

If you download this update, you *DO NOT* need to download earlier updates. This update encompasses all previous updates.

 

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Official Patches Sid Meier's Alpha Centauri Win 2000/XP Compatibility Update (v5.0)

This update resolves several issues between Sid Meier's Alpha Centauri and Windows 2000 and XP machines.