🛠️ Batman: Arkham Knight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WB Games' Autumn Sale is Here!
Get great deals during the Autumn Sale! Check out the savings on full games and DLC from LEGO Batman: Legacy of the Dark Knight to Hogwarts Legacy, Mortal Kombat, the Batman Arkham Collection, the Mid…
2026年7月
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7/28火🎉 イベントDC Franchise Sale!
Save up to 90% off on these great DC Comics-themed games from WB Games! DC Franchise Sale BATMAN: ARKHAM SERIES Become Batman in this best-selling, award-winning action-adventure trilogy! From deep st…
2026年6月
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6/26金🎉 イベントWB Games Celebrates the Summer Sale!
Get great deals during the Summer Sale! Save up to 90% on full games and DLC from Hogwarts Legacy and Mortal Kombat to Harry Potter: Quidditch Champions, Batman Arkham, Middle-earth: Shadow of War, LE…
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6/19金🎉 イベントDC Franchise Sale!
Save up to 95% off on these great DC Comics-themed games from WB Games! BATMAN: ARKHAM SERIES Become Batman in this best-selling, award-winning action-adventure trilogy! From deep storylines, to fun g…
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。