Opus 5 and Gauntlet Loop Ship a Web-Native Game in Days

mattshumer_ · x · 2026-08-04

A user highlights a project built in just a few days with Opus 5 and Matt Shumer’s Gauntlet Loop: a fully web-native remake of Modern Warfare-style maps, packaged as a 2.8 MB Chrome app.

The demo reportedly supports solo and multiplayer play, voice chat, bots, and even an Xbox One controller on a MacBook Pro. The quoted post says the project uses:

The thread frames it as a striking example of how much a small team can build quickly with an AI-assisted coding workflow.

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