📖 Detailed Guide & FAQ▼

Frequently Asked Questions (FAQ)

Q. What is Marble Roulette?

A free, browser-based physics marble race. Participants race as colored marbles down a 7,200px track with Galton pins, twin windmills, pinball bumpers, a vortex funnel, and a giant finale propeller.

Q. How do I use fullscreen mode?

Click the [⛶ Fullscreen] button in the top bar to expand the marble race across your entire screen for clean, distraction-free viewing.

Q. Multiple marbles per person?

Type Alice * 3 in the participant list to give Alice three marbles — all the same color. More marbles = higher winning chance.

Q. Is the result fair?

Every frame runs a real 2D rigid-body physics simulation. No one can predict or manipulate the outcome.