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Half-Life 25th Anniversary Update
(half-life.com)
Welcome to the largest gaming community on Lemmy! Discussion for all kinds of games. Video games, tabletop games, card games etc.
Submissions have to be related to games
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Stay on-topic; no memes, funny videos, giveaways, reposts, or low-effort posts
Mark Spoilers and NSFW
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More information about the community rules can be found here.
It was running on a pretty old engine. It was based on the Quake 1 engine, but some features of the Quake 2 engine got tacked on along the way. There was some more eye candy added as well, but something with that basis isn't going to be as power hungry as Unreal.