Half-Life turns 25 this weekend, and we're pushing a big update to bring back some of that 1998 feeling with restored original launch day content, brand new multiplayer maps, a look behind the scenes with the original development team, and more: https://t.co/ceV4oePUyP pic.twitter.com/1eOtLiHXbE — Valve (@valvesoftware) November 17, 2023 『Half-Life』シリーズは、Steamを運営するValveが手がけたFPSゲームだ。初作は1998年11月19日に
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