🛠️ Metal Gear Solid Δ: Snake Eater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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10/2金🎉 イベントKONAMI Autumn Sale 2026 is now on!
Don't miss out on this opportunity to enjoy KONAMI games! Featured titles! https://store.steampowered.com/app/3907350/ https://store.steampowered.com/app/2417610/ https://store.steampowered.com/app/37…
2026年4月
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4/10金🎉 イベントThe 40% OFF SALE for METAL GEAR SOLID Δ: SNAKE EATER is underway!
Both the Standard Edition and Digital Deluxe Edition are now available at 40% OFF.This sale runs until April 22 at 10:00 AM (PST).In addition, a bundle sale with METAL GEAR SOLID: MASTER COLLECTION Vo…
2026年3月
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3/20金🎉 イベントThe SPRING SALE is underway!
To celebrate METAL GEAR SOLID Δ: SNAKE EATER reaching 2 million global sales, both the Standard Edition and Digital Deluxe Edition are now available at 50% OFF.This Spring Sale runs until March 26 at …
2025年12月
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12/22月🎉 イベントHOLIDAY SALE
The HOLIDAY SALE for METAL GEAR SOLID Δ: SNAKE EATER is underway!Don't miss out on the opportunity to experience the origin story of the METAL GEAR saga - now at a 40% discount!
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12/2火🎉 イベントBLACK FRIDAY SALE
KONAMI's “BLACK FRIDAY SALE” offers METAL GEAR SOLID Δ: SNAKE EATER Standard Edition at 30% OFF until December 9 at 3:00 AM (JST).This epic installment tells the story of the birth of the hero known a…
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。