🛠️ ONE PIECE: PIRATE WARRIORS 4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6月
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6/9火📢 お知らせONE PIECE: Grand Gourmet arrives October 23, 2026!
Set sail with the Straw Hat Crew on a new voyage of flavor! 🌊 ONE PIECE: Grand Gourmet is coming on October 23, 2026 on Steam. Welcome aboard Baratie Number Two, where players join the Straw Hat Crew …
2026年1月
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1/24土✨ 新コンテンツONE PIECE: PIRATE WARRIORS 4 | DLC Character Pack 8 Launch Trailer
Lightning, Fire, and Overwhelming Force.Eneru, King, and Z make their debut in One Piece: Pirate Warriors 4’s newest DLC, available now!Newcomers are:Eneru, the self-proclaimed God of Skypiea, wieldin…
2025年11月
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11/21金✨ 新コンテンツONE PIECE: PIRATE WARRIORS 4 | DLC Character Pack 7 Launch Trailer
New characters, new chaos are you ready to play?Future Island AwaitsMeet CP0 Lucci, Bonnie & S-Snake in the Egghead Pack! It includes also 3 new costumes and a trailer packed with action.Character Pac…
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11/5水✨ 新コンテンツONE PIECE: PIRATE WARRIORS 4 – New characters out on 21 November 2025!
Set your sails and mark your maps. ONE PIECE: PIRATE WARRIORS 4 unveils DLC7 in a new trailer, introducing Character Pack No.7 “Future Island Egghead Pack”. The pack will be available on 21 November 2…
2025年8月
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8/12火📢 お知らせONE PIECE: PIRATE WARRIORS 4 Character Pass 3 available now!
Lightning. Fire. Impact. That's what you asked for. New legends join the ONE PIECE Pirate Warriors 4 roster in Character Pass 3, now available! ONE PIECE: PIRATE WARRIORS 4 has sold over 4 million cop…
2024年3月
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3/28木📢 お知らせRoger, Rayleigh & Garp have officially entered the roster!
Yet another blaze of glory. Their time to shine isn't over yet. Play as Gol D. Roger, Rayleigh (Roger Pirates First Mate) and Garp (Hero of the Marines), the three of them in their youth forms. Meet t…
2024年1月
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1/11木📢 お知らせUncover new adventures with Uta, Shanks, and Koby!
New characters for new adventures! Meet the worldwide famous singer Uta and her adoptive father - the famous Red-Haired Shanks. Koby is also here to complete the DLC line-up with his leader role in th…
2023年9月
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9/15金📢 お知らせPlay as Luffy in his Gear Five form in ONE PIECE: PIRATE WARRIORS 4!
ONE PIECE: PIRATE WARRIORS 4 lets you relive one of the most epic ONE PIECE arc with The Battle of Onigashima Pack, with three characters joining the roster of the game. Focused on the Battle of Oniga…
2023年7月
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7/24月📢 お知らせCharacter Pass 2 for ONE PIECE PIRATE WARRIORS 4 is now available!
The Pass includes 3 DLCs and a bonus, the “Onigashima Battle Law Costume”! The Season Pass will include 9 playable characters! With Character Pack 4, unleash the full potential of Onigashima Battle Lu…
2020年12月
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12/17木📢 お知らせThe Land of Wano Pack is available now !
Starting today, ONE PIECE: PIRATE WARRIORS 4 enriches its list of remarkable fighters with Kin’emon, Okiku and Kozuki Oden, all as DLC characters part of the Land of Wano Pack. These three Samurai fro…
2020年3月
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3/31火📢 お知らせSave issues
Hello Players, One Piece Pirate Warriors 4 is now available, and we’d like to thank you all for your support. Save Error We regret that some of you are experiencing saving issues. A patch is on the wa…
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。