🛠️ Sid Meier's Civilization V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…
2025年3月
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3/14金🎉 イベントThe 2K Spring Sale!
Don't miss out on incredible 2K titles and DLC during the 2K Spring Sale! Save 90% on Sid Meier's Civilization VI Save 70% on NBA 2K25 Standard Edition Save 67% on Risk of Rain 2 Also save big on the …
2025年2月
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2/7金🎉 イベント2K 20th Anniversary Event
2K turns 20 this year, and we're celebrating with huge savings on some of our biggest titles! 2K 20th Anniversary Event Don't miss our ""20 for 20"" bundle featuring 20 of 2K's renowned legacy titles.…
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。