🛠️ Thief Simulator 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5月
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5/4月📢 お知らせThief Simulator 3 PLAYTEST - sign up now!
Hello fellow Thieves. Noble Muffins is back making a new Thief Simulator.Help us improve Thief Simulator 3 in this early playtest!How to participate?If you haven’t done it yet, head over to our Steam …
2025年12月
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12/2火📢 お知らせThief Simulator 3 with CO-OP announced! 🥳
Thief Simulator 3 is on the way - and it's bringing the long awaited CO-OP mode! You asked, we listened. Play solo or team up with a friend to plan perfect hits, pull off daring thefts, and make maste…
2024年5月
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5/10金📢 お知らせCrime Simulator: Prologue released for free! Play up to 4 friends
Grab your crowbars and gather up your gangmates to delve into the crime world with the new Crime Simulator! Get back on the streets to earn some quick profit and play Crime Simulator: Prologue for fre…
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5/8水📢 お知らせ v1.261.26 - New heist, cloak device & new co-op game announced
Hi everyone, so quite some news today. Not only 1.26 releases now, with a brand new heist, cloak device and new missions, but also I have a co-op, Thief inspired project to announce. Let's get to it ː…
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。