‘Half-Life 2’ Is Now Playable On Your Web Browser. Here’s How
Two developers ported the entire video game into web browsers, achieving over 100 FPS natively.
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Half-Life 2 is now playable on web browsers, both on desktops and smartphones
In a major milestone for browser-based gaming, developers Slqnt and 98006 have released a fully functional, unofficial port of the iconic shooter that runs entirely inside a browser tab.
Unlike a laggy cloud-streaming setup, the software actually executes natively on your local machine.
Powered by WebGL 2 and WebAssembly, the port bypasses traditional layout engines to communicate directly with your graphics card, translating complex C++ engine code seamlessly.

The port features the entire main campaign alongside two episodic expansions, a functioning developer terminal, and built-in achievements
Your progress saves automatically to the browser cache, meaning you can resume your nostalgic journey whenever you want.
According to Tom's Hardware, playing on the desktop yielded the best experience as the game, released in 2004, easily cleared over 100 FPS with maxed-out visual settings.
However, the port is not entirely flawless. Early players reported a hilarious graphical glitch where character models render without eyes, alongside a few broken cutscene animations.

The entire project took just three months to build and has surprisingly survived two weeks online without a copyright strike from Half-Life 2's developer, Valve
While Valve is famously community-friendly with fan projects, this unofficial port technically remains at the direct mercy of a swift DMCA takedown.
If you want to experience this impressive feat of modern web engineering, you should try out Half-Life 2 here before it's possibly taken down.
After all, if Half-Life 3 is never coming out, we might as well enjoy the classics in the most convenient way possible.

