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 tiles → past a spinning windmill → down the long chute → drops onto a hinged seesaw bridge that rocks into a ramp → and rams a plunger into the brass bell. DING — the bell swings and flashes, confetti flies, a fanfare plays, and your time and star rating go on the board.
Play
- PUSH to start the cascade; pure physics thereafter.
- Stage N/12 readout + a live timer up top, with a glowing trail behind the steel ball.
- 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, best star rating (gold under 12s, silver under 17s), and a golden machine skin that unlocks after your first completion.
- Every sound is synthesized in-engine (procedural WAVs — bell partials, wood knocks, whooshes, a plucked ambient loop).
Built entirely as Zero world content — one self-contained component owns the machine, the camera, the UI, the audio, and the orchestration; a builder module owns the contraption; a synth module generates the audio files.
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