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marble machine

A free web demo — play it in your browser, no install. Marble-run browser game: eight 20,000 px Rube Goldberg courses on Matter.js, each proven finishable by a headless test.

by @brepre109 · brepre109/marble-machine on GitHubLANG JavaScriptHOSTED ON BREPRE109.GITHUB.IOUPDATED 28 Sep 2026

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Controls: Tap the marble to make it hop and speed up, which is how you reach coins that…

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From the README

A marble-run browser game. Drop a marble at the top and follow it down a Rube Goldberg course around twenty thousand pixels deep, through tubes, paddle wheels, seesaws, belts, cannons, pin fields, water tanks and warps. There are eight courses with 100 coins on each.

The Cannon, Water Works, The Machine). A run takes between 100 and 390 seconds.

through 1×, 2×, 4× and ½×.

running line. Hold and drag to pull it toward the pointer.

S changes speed, Esc goes back).

Courses are built from modules.

Read the full README on GitHub →

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