🛠️ Nancy Drew: The Haunted Carousel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1月
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1/16金🎉 イベント2nd Piece of Evidence Revealed | Steam Detective Fest Livestream, Puzzle, & Prizes!
https://clan.fastly.steamstatic.com/images/33086762/058a4036b17bddd76d7d537f98e6aa55ff3caee8.png EVIDENCE REVEAL #2 🕵️♀️ Calling all Super Sleuths! A mystery from River Heights needs YOUR help. New c…
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1/5月🎉 イベントLast Chance for Steam Winter Sale 35% Off!
https://clan.fastly.steamstatic.com/images/33086762/90dd99e947e51096efbbdad90f7dc629013693a2.png Don’t miss out — Nancy Drew mystery games are 35% off on Steam for the Winter Sale. 🧣 Step into adventu…
2025年12月
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12/19金🎉 イベントAll Nancy Drew Mysteries 35% off for the Steam Winter Sale!
https://clan.fastly.steamstatic.com/images/33086762/f8a0f724355503db0b4235530a224af76569afcd.png Looking for the perfect holiday gift with instant digital download? 🎁 All Nancy Drew games on Steam are…
2025年9月
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9/30火🎉 イベントAll Nancy Drew Games 35% Off for the Steam Autumn Sale!
https://clan.akamai.steamstatic.com/images/33086762/5bdb3e8c6adafe6a72a45d665c3abf15946b0d64.png What better way to spend these cozy autumn nights than solving spine-tingling cases with Nancy Drew? 🍁 …
2025年6月
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6/27金🎉 イベントThe Steam Summer Sale is here — Save 35%!
https://clan.fastly.steamstatic.com/images/33086762/41aabc0ca8cbdc3a6fc4e68fae4ce05c893c9f2d.png 🚨 Attention detectives: All Nancy Drew mysteries are now 35% OFF during the Steam Summer Sale! 🗂️ Your …
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6/26木🎉 イベントWishlist Nancy Drew Games Now for the Steam Summer Sale!
The Steam Summer Sale is almost here, and here’s a hot tip: ✍️ Wishlisting Nancy Drew Games is the best way to be notified the moment discounts drop! https://clan.fastly.steamstatic.com/images/3308676…
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。