Chain Reaction
A tabletop Rube Goldberg machine. Click one domino and a 12-stage physics cascade fires on its own — dominoes, a rolling steel ball, a glowing loop, tumbling blocks, and a brass-bell finale — while the camera follows the action. Reset & replay.
# Chain Reaction A cosy-room **tabletop Rube Goldberg machine**. You trigger one interaction — a single push on the first domino — and the whole contraption fires unaided in a real rigid-body physics simulation. The camera auto-follows the lead moving body, hands off between stages, and pulls back to frame the celebration. ## The chain Push the domino → the line topples → a heavy "kicker" tips a **steel ball** off a ledge → the ball rolls down a curved ramp → through a glowing **loop** → scatters a wall of coloured blocks → down a funnel chute → and strikes the **brass bell**. GOAL — confetti, a success sting, and your time on the board. ## Play - **PUSH** to start the cascade; pure physics thereafter. - **Stage N/12** readout + a live timer up top. - **Reset / Replay / Slow-mo / Pause** any time. - **Settings** — camera-follow, slow-motion, reduce-motion (fixed wide shot), subtitles for the audio cues, SFX/music volume. - **Extras** — runs completed & best time; a golden machine skin unlocks after your first completion. Built entirely as Zero world content — one self-contained component owns the machine, the camera, the UI, and the orchestration.
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