🛠️ Sid Meier's Civilization IVのアップデート履歴
開発元がSteamで公開した公式告知（パッチ、新コンテンツ、イベント）を時系列でまとめています。タイトルをクリックすると全文を読めます。
2026年10月
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10/2金🎉 イベントCozy Up with 2K: The Autumn Sale is Live on Steam! Save Big Through Oct 8.*
https://clan.fastly.steamstatic.com/images/4128336/66a2bcaddd03b0f7481eaf24a784f4e18d4652b7.jpgAs the leaves turn and the crisp autumn air settles in, that familiar feeling returns: the golden hour af…
2026年9月
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9/4金🎉 イベントCivilization 35th Anniversary Franchise Sale
Celebrate 35 Years of "One More Turn"For over three decades, legendary designer Sid Meier and the team at Firaxis Games have invited players around the world to build empires that stand the test of ti…
2026年6月
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6/26金🎉 イベントTime to Play: The 2K Summer Sale is Officially Live on Steam
The 2K Summer Sale is officially live on Steam, and it’s the perfect excuse to find your next great escape. Summer is about having the time to truly immerse yourself, dive deep into a world, and remem…
2026年5月
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5/1金🎉 イベントFiraxis Anniversary Sale - Join the 30th Anniversary Celebration
Firaxis Anniversary Sale May 1st represents a historic milestone for Firaxis Games: 30 years of crafting world-class strategy experiences. To mark three decades of excellence and the debut of a bold n…
2016年5月
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5/11水📢 お知らせTake One More Turn in Civilization VI
We’re excited to celebrate the 25th anniversary of the Civilization franchise by announcing Sid Meier’s Civilization VI, the next entry in the award-winning turn-based strategy franchise. Be sure to f…
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5/11水📢 お知らせTake One More Turn in Civilization VI
We’re excited to celebrate the 25th anniversary of the Civilization franchise by announcing Sid Meier’s Civilization VI, the next entry in the award-winning turn-based strategy franchise. Be sure to f…
2014年11月
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11/21金🛠️ パッチ / アップデート v10.10Civilization IV currently not working in OSX 10.10 [Resolved!]
As many of you have noted here, Civ IV base game and Colonization are currently not working in 10.10 due to a python library issue. After a week of review, this bug is legitimate and we are now offici…
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11/21金🛠️ パッチ / アップデート v10.10Civilization IV currently not working in OSX 10.10 [Resolved!]
As many of you have noted here, Civ IV base game and Colonization are currently not working in 10.10 due to a python library issue. After a week of review, this bug is legitimate and we are now offici…
2014年6月
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6/6金🛠️ パッチ / アップデートCivilization IV Steamworks update released
The patch that replaces GameSpy with Steamworks for multiplayer functionality is now available via Steam. The game functions identically to the previous GameSpy version with the exception that the “Di…
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6/6金🛠️ パッチ / アップデートCivilization IV Steamworks update released
The patch that replaces GameSpy with Steamworks for multiplayer functionality is now available via Steam. The game functions identically to the previous GameSpy version with the exception that the “Di…
出典：Steam公式告知（6～24時間ごとに更新）。タイトルと概要の著作権は各開発元に帰属します。