🛠️ Mafia III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
-
9/5土📢 お知らせMafia Family Business #5
To all friends of the Family, salutamu. Welcome to the latest installment of Mafia Family Business, a semi-regular spotlight on the Mafia community, the teams that work on the games, and the impressiv…
2026年8月
-
8/14金📢 お知らせMafia: The Omertà Collection arrives August 14
August 14 will be a monumental moment for the Family, and not just because it's the launch day of the Man of Honor expansion* for Mafia: The Old Country. We're proud to introduce Mafia: The Omertà Col…
2026年6月
-
6/27土📢 お知らせMafia Family Business #4
To all friends of the Family, salutamu. Welcome to the latest installment of Mafia Family Business, a semi-regular spotlight on the Mafia community, the teams that work on the games, and the impressiv…
-
6/12金📢 お知らせJoin the official Mafia Discord
https://clan.fastly.steamstatic.com/images/45157904/77178f7b8ed14ab28314bbcdbd706e285a833db0.jpgIn case you missed the announcement last week, we just launched the official Mafia Discord, and you’re i…
2026年5月
-
5/30土📢 お知らせMafia Family Business #3
To all friends of the Family, salutamu. Welcome to the latest installment of Mafia Family Business, a semi-regular spotlight on the Mafia community, the teams that work on the games, and the impressiv…
-
5/1金📢 お知らせMafia Family Business #2
To all friends of the Family, salutamu. Welcome to the latest installment of Mafia Family Business, a semi-regular spotlight on the Mafia community and the impressive talents of our fans.Honoring the …
2026年3月
-
3/25水📢 お知らせMafia Family Business #1
To all friends of the Family, salutamu. Since the launch of Mafia: The Old Country, we've been touched to see many new and longtime fans express their appreciation for the latest game and the wider Ma…
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。