🛠️ Team Fortress 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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10/2金📢 お知らせScream Fortress XVIII has arrived!
{STEAM_CLAN_LOC_IMAGE}/554111/626cb4243ff58e907772c3ed4463e14b1fd14cc6.jpg An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. Th…
2026年9月
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9/19土📢 お知らせOperation Lithium Lunacy
{STEAM_CLAN_LOC_IMAGE}/554111/60593e9552db8d5f6f4117eec71d415daf607913.png (Image credit: Phlogster) Mercenaries, the hot wind blows... the snow is melting... the air becomes polluted... and we detect…
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9/10木📢 お知らせMGE.tf is back!
{STEAM_CLAN_LOC_IMAGE}/554111/ebd3bf2a20133ead6c61b19ba0b9b762b09fa07a.png (Image credit: Poster Design - Sennie, SFM - Athena) MGE.tf is back for another season! This time, they're returning bigger t…
2026年8月
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8/22土📢 お知らせAustralian Hightower Highjinx 2026
{STEAM_CLAN_LOC_IMAGE}/554111/1adda64b2fc832e6dd55421139ea153d080a5039.png Australian Hightower Highjinx is back! After years of being dormant in the deep outback, it returns not only with its iconic …
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8/19水📢 お知らせÜBERFEST 2026
{STEAM_CLAN_LOC_IMAGE}/554111/c84ee9b825a4f7c0bb24cfc3a5263ff9acf1fad4.png (Image credit: SFM - BloodiestBanana, Illustrator - Max Shortt) For the third consecutive year, KritzKast presents ÜBERFEST L…
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8/7金📢 お知らせOperation Mooncrash
{STEAM_CLAN_LOC_IMAGE}/554111/9d27b988ee35f2abf369a4fa2645365a1e2ecb5c.png In a desperate effort to attain ultimate global dominance, RED and BLU race to conquer the final frontier! Destination – the …
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8/3月📢 お知らせ6s Newcomer Cup by RGL and TF2 Coaching Central
{STEAM_CLAN_LOC_IMAGE}/554111/effce82b13149bfeab59ae4809f6638fdff50421.png Announcing the RGL 6s Newcomer Cup with training intensive by TF2 Coaching Central! RGL, the largest North American competiti…
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。