🛠️ Cities: Skylines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4月
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4/15水🛠️ パッチ / アップデート v1.21.1Patch Notes for 1.21.1-f9
We have a very small update for you all today that covers the bugs reported to us over the past week. We think that this will be the last one! This update is very minor and should not affect mods and …
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4/7火🛠️ パッチ / アップデート v1.21.1Patch Notes for patch 1.21.1-f8
Race Day 1.21.1-f8 Patch NotesHello Mayors! We have a small patch for Cities: Skylines - Race Day. This patch should have little to no effects on Mods functionality. Here are the Patch Notes: All plat…
2026年3月
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3/17火🛠️ パッチ / アップデート v1.21.1Patch Notes for patch 1.21.1-f7
Hi all! We have a small patch today with several fixes listed below. Changelog: All platformsFixed the races and parade event cost to match that shown in the UIFixed Motor Racetrack with Single Curb i…
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3/10火🛠️ パッチ / アップデート v1.21.1Race Day Patch 1.21.1-f4 - State of Mods and Patch 101
On March 10 at 10 AM CET, the latest patch for Cities: Skylines will go live. Along with the new Expansion, there is also the free patch, given to and released to EVERYONE who owns the game.There are …
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。