🛠️ Age of Empires III: Definitive Edition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9月
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9/11金📢 お知らせThe Baltic Powers Available Now for Age of Empires III: Definitive Edition!
Hello adventurers, a Shipment from the Home City has arrived! The Baltic Powers DLC for Age of Empires III: Definitive Edition is available now, and comes alongside the largest game update we’ve ever …
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9/9水📢 お知らせTime Zone Launch Map for The Baltic Powers
Hello Explorers! The Baltic Powers is launching soon! Check the map and find out when all the fun starts in your area. Get ready to explore two new formidable European civilizations, the Danes and the…
2026年8月
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8/22土📢 お知らせCivilization Deep Dive: Poles
The Polish-Lithuanian Commonwealth was one of the greatest territorial states in 17th century Europe stretching from the Baltic Sea to the Black Sea. It was an ethnically diverse multinational state k…
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8/15土📢 お知らせCivilization Deep Dive: Danes
The Kingdom of Denmark-Norway was a maritime empire that controlled its Baltic and Atlantic realm with a powerful navy. For over four centuries, the Danish Crown enforced the lucrative Sound Dues, dem…
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8/14金📢 お知らせPre-Order The Baltic Powers for Age of Empires III: Definitive Edition
Today, we are thrilled to share more details on the highly-anticipated DLC for Age of Empires III: Definitive Edition – The Baltic Powers! The Baltic Powers launches on September 10th and is available…
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