🛠️ Subnautica 2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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10/15木📢 お知らせVoyage to Early Access 2 Begins
The voyage to Early Access 2 begins! Creative Director Anthony Gallegos is back to introduce our new Dev Vlog series, outlining who you’ll be expecting to hear from across our future episodes, sharing…
2026年8月
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8/20木📢 お知らせHealing the Ocean, Together: Subnautica 2 × The Ocean Cleanup
Hello Subnauts,Since Subnautica 2 entered Early Access, you have continued to amaze us. You've charted every trench, built bases in places we never imagined possible, pulled friends into the depths wi…
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8/13木📢 お知らせSubnautica 2 Experimental Branch Released
Hello Subnauts, As part of our ongoing dedication to the open development process during Early Access, we’re launching the Experimental branch of Subnautica 2 today on Steam. The Experimental branch i…
2026年6月
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6/4木📢 お知らせDev Vlog - Swimming Forward
Our first Dev Vlog since Subnautica 2 entered Early Access is here! Design Lead Anthony Gallegos shares his heartfelt thanks on behalf of the development team for the overwhelming support for Subnauti…
2026年5月
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5/20水📢 お知らせA Letter to the Community from the Subnautica 2 Team
Hello Subnauts, First, thank you for taking the time to share your feedback with us since launch. We have been reading your reviews and comments carefully, and we understand that there are several con…
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。