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CLUSTER PARTICLE-PHYSICS-BEHAVIORS · 24 ENTRIES · EARLIEST ENTRY 2020-07-12

Interactive particle physics sandboxes

This cluster consists of interactive particle physics simulators, spanning falling-sand games, gravity visualizations, and physics sandboxes for browser, mobile, and animation plugins. The five dated entries are scattered with long gaps: Oct 2013, Jul–Aug 2020, Jul 2024, and Feb 2026, indicating no clear trend. Traction leaders by activity signal are gravitae, Particle Physics Simulator, and sand, all with 0 stars.

Entry timeline

ENTRY TIMELINE

OCT 2013: 1JAN 2016: 1JUL 2020: 1AUG 2020: 1JUL 2024: 1FEB 2026: 1AUG 2026: 6SEP 2026: 8OCT 2026: 4
OCT 2013OCT 2026

Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.

Members by activity

Activity signals, not revenue.

Build origin · 2 ai-built · 6 hand-coded · 12 unlabelled

Operator · 12 hobby · 5 open source · 3 unlabelled

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 20 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 01atoms-md4★11 days—hand-codedhobbyInteractive 3D sandbox that simulates molecular dynamics, phase transitions, and chemical reactions from physics laws.
  2. 02foolsfortune0★13 days—hand-codedhobbyPlayable browser shooting sandbox prototype with a character controller, aimed fire, and physics-shattering targets for tuning game feel.
  3. 03stalactite-svelte0★5 days—hobbyInteractive simulation that models stalactite growth from calcite deposition physics and lets users adjust parameters in a scene.
  4. 04Nova-Chaos3★1 mo—Browser extension that turns any webpage into a physics playground where users release page elements and play with gravity modes.
  5. 05mech0★15 days—hobbyBrowser sandbox for building and simulating 3D mechanisms from links, gears, and motors with real-time physics.
  6. 06kinetic-galton-board0★25 dayslivehand-codedhobbyPhysics simulator that models a Maxwell-Boltzmann kinetic Galton board in 3D and lets users release balls to observe speed distribution statistics.
  7. 07kata-4d-toys-clone-astra-6-ultra0★16 days—hobbyBrowser-based 4D sandbox that lets players manipulate tesseracts and hyperspheres in a zero-gravity toy environment.
  8. 08motion-primer0★8 daysliveai-builthobbyGenerative animation app that lets viewers explore particle behaviors including swarming, packing, orbiting, falling, and scattering.
  9. 09realtime-physics0★10 days—hand-codedhobbyInteractive physics playground that projects falling balls onto a surface and turns physical objects placed there into solid obstacles they bounce off.
  10. 10cut1★1 molivehobbyInteractive 3D sandbox that lets users slice generated objects along hand-drawn paths and watch the pieces fall apart.
  11. 11atom-playground-lab0★1 mo—ai-builthobbyInteractive chemistry sandbox that simulates reactions between periodic table elements and offers fusion, gravity, and pressure tools.
  12. 12Particle Physics Simulator0★1 yrabandonedliveopen sourcePhysics sandbox that simulates particle interactions driven by gravity, letting users adjust gravity, collisions, and particle properties.
  13. 13sand0★2 yrabandonedliveopen sourceInteractive terminal-based physics sandbox that lets users experiment with particles and forces.
  14. 14GLXY0★5 yrabandonedlivehand-codedopen sourceInteractive gravity simulator for Android that lets users create and control particle motion through tapping, panning, and zooming, with adjustable trails and collision settings.
  15. 15Sandbox0★5 yrabandonedlivehand-codedopen sourceFalling-sand simulation game in which players place and interact with different particle types to observe physical behaviors.
  16. 16gravitae0★7 mostale—hobbyPlugin for animation software that simulates 2D physics, letting users convert shape layers into dynamic objects with gravity, collisions, and bounce.
  17. 17physicseditor0★1 moliveopen sourcePhysics editor that helps game developers create and export collision shapes and physics bodies for use in game engines.
  18. 18Fluid-Sim Sailor0★unknownliveAn interactive fluid simulation web app that lets users experiment with realistic particle and fluid dynamics directly in the browser, providing a hands-on physics experience.
  19. 19Particle Garden0★unknownlivehobbyInteractive falling sand particle simulator that lets users experiment with physics-based particle behaviors in a browser.
  20. 20Svelte app0★unknownlive3D physics sandbox that lets users play with object interactions and gravity in the browser.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.