🛠️ Assassin's Creed Mirage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7月
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7/13月📢 お知らせAC Black Flag Resynced out now!
Ahoy pirates! Land is finally in sight as Assassin’s Creed Black Flag Resynced looms on the horizon. With launch today on Steam and Steam Deck, we wanted to make sure you have every detail you could p…
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7/8水📢 お知らせAssassin’s Creed Mirage is Steam Deck verified
Hi Assassins! We’re excited to tell you that Assassin’s Creed Mirage is now Steam Deck Verified! That’s right, our teams have worked hard to make sure that the game is not only playable in as many pla…
2026年5月
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5/13水📢 お知らせReturn to the Creed with 60% off Assassin’s Creed Mirage
Return to a classic Assassin’s Creed experience in Baghdad! Assassin’s Creed Mirage is now available at 60% off. Discover our discounted titles right now at the May Ubisoft Sale. https://store.steampo…
2026年3月
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3/6金📢 お知らせAssassin's Creed: Into 2026
Hello everyone,As we get ready to step out of winter, we wanted to share an update on what we have planned for the rest of the year across the Assassin's Creed franchise. We are joined by Jean Guesdon…
2025年11月
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11/28金📢 お知らせNominate Assassin's Creed Mirage in the 2025 Steam Awards.
Ever since its launch two years ago, Assassin’s Creed Mirage has continued to grow thanks to your passion and constant feedback. From title updates delivering highly requested improvements to brand‑ne…
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11/19水📢 お知らせAssassin’s Creed Mirage: Valley of Memory is out now!
Our 2-year anniversary update for Assassin's Creed Mirage is now available — free for all AC Mirage players!The Valley of Memory update adds 6+ hours of new content set in the breathtaking historical …
2025年10月
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10/23木📢 お知らせAssassin’s Creed Mirage: Valley of Memory – What You Need to Know
Assassin’s Creed Mirage: Valley of Memory is a free expansion for all Assassin’s Creed Mirage players launching on November 18. Valley of Memory introduces over six hours of new content and a fresh ch…
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10/7火📢 お知らせAssassin's Creed Mirage Valley of Memory Launches for Free on November 18
What is Assassin's Creed Mirage Valley of Memory?Valley of Memory is a free major update for anyone who owns Assassin's Creed Mirage, offering up to six hours of additional gameplay and story. Taking …
2025年9月
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9/16火📢 お知らせPlay the Discovery Tour App: Medieval Baghdad
Discovery Tour App: Medieval BaghdadThe Discovery Tour App: Medieval Baghdad is a free mobile experience that immerses you in 9th century Baghdad during the Abbasid Caliphate. Using the recreation of …
2025年6月
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6/27金📢 お知らせGet 25% OFF Assassin’s Creed Shadows now!
Assassin’s Creed Shadows is on sale for the first time ever on PC, with discounts of up to 25% off both the Standard and Deluxe Editions. If you haven’t visited Feudal Japan as the stealthy shinobi, N…
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。