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FCTX Wobbly Fan House

A free physics simulation — play it in your browser, no install. A browser 3D house full of wobbly ceiling fans and electric fans, inspired by Roblox fan games. Built with Three.js.

by @futurecortexlabs · futurecortexlabs/FCTX_Wobbly_Fan_House on GitHubLANG HTMLHOSTED ON FUTURECORTEXLABS.GITHUB.IOUPDATED 15 Oct 2026

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Controls: Walk: wASD or arrow keys, Shift to run, drag to turn

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Open the live demo Source on GitHub

From the README

A house full of ceiling fans and electric fans that wobble, tip over and fall off the ceiling.

Pull the chains, flip the switches, and push the imbalance until something gives.

▶ Open the live demo · The physics · Known limits

The black fan has a bent blade. Raising its imbalance pushes the wobble past the tip line; the rocking builds, the fan passes its critical angle and falls. Where it lands is not scripted: the fall direction is cast against the furniture, walls and other fans, and here it hits the door frame and leans on it. Recorded in a headless browser.

Read the full README on GitHub →

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