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A fully playable browser version of Half-Life 2 has just been released to the public. You don't need to download anything, just open the site and play! The webport was created by Slqnt and 98006 in just three months! pic.twitter.com/x88rMgWhxd June 25, 2026
The game is, in fact, running natively on your computer; there's no cloud streaming involved. Under the hood, the port is powered by WebGL 2, a JavaScript API that bypasses the browser's typical layout engine and talks directly to your GPU to execute graphics-intensive tasks. Then, WebAssembly helps translate C++ code from the Source Engine into JavaScript that the browser can natively understand.
For storage, the port relies on a virtual file system that calls compressed assets via high-speed web requests. You just need to let the cache build up upon first boot for a few minutes, then you're off to the races. The same method creates .sav files directly in the browser's cache or IndexedDB, which allows you to pick up where you left off, just as if you had actually installed the game on your computer natively.
We tried the game on three different devices: a Windows PC with a Ryzen 7 7700X and RX 6700 XT, a OnePlus 12 smartphone, and a modded Nintendo Switch running Android. As you'd expect, the computer ran it the best and without any hiccups. Since this is a very old, non-demanding game, we were able to max out all the settings and play in full screen while achieving over 100 FPS. Frankly, it looked beautiful.
Developer gets Half-Life running at 30 FPS on a Nokia N95
Key considerations
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Reference reading
- https://www.tomshardware.com/video-games/pc-gaming/SPONSORED_LINK_URL
- https://www.tomshardware.com/video-games/pc-gaming/you-can-now-play-half-life-2-right-inside-your-browser-at-over-100-fps-with-save-states-and-console-support-ingenious-port-recreates-the-entire-game-campaign-using-webgl-2#main
- https://www.tomshardware.com/subscription
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Informational only. No financial advice. Do your own research.