Simulation you can play with right now

Over a hundred simulation projects, each running live on its creator's own site: some of them vibe-coded with AI, all of them playable in your browser with nothing to install. Press a card to play one on its own page, or start the cruise to ride through them one after another.

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• falling sand alchemy A zen falling-sand game about transmutation. Pour, mix, burn, and distill pixel materials on an alchemist's bench; every reaction you cause…
• canalisation Nothing about the plant's shape is drawn. No shape code, no outlines, no curves, no counts. That is the whole claim, and it is the one…
• sediment A small falling-sand world that remembers what you do to it. Sand slumps, water finds its level, stone wears away where the pond touches…
• physarum A slime mould in raw WebGL2. No library: 262 144 agents living in two textures, growing a transport network out of noise, fed by your…
• generative art piececubic mm cubic mm Walk through a real cubic millimetre of mouse brain. 1,711 real neurons, 156,882 real synapses, and a live spiking simulation you can set…
• slime mold simulation This project implements a simulation of the slime mold behavior using p5.js, inspired by the movement and pattern formation of real slime…
• jellyfish three.js Real-time procedural jellyfish swimming through an ocean of code, powered by WebGPU.* → Watch Aurelia swim live ← There's something about…
• GRYMO Deterministic digital organisms generated from seeds, genomes, bloodlines and mutations.
• morphogen An interactive reaction-diffusion pattern lab in the browser. Paint a few seeds, tune the feed and kill rates of the Gray–Scott model, and…
• browser experiments Interactive simulations & generative toys, each a single HTML file — gravity, evolution, cellular automata, 4D, neural nets and more.
• pliny game lab "Natura nihil frustra facit, omniaque ad ordinem componit." "Nature does nothing in vain, and arranges all things according to order."…
• fireflies ### A sky full of drifting light. Hundreds of tiny helium sky-jellyfish — glowing bells with swaying tendrils — let go into the dusk air…
• falling sand An entire falling-sand physics playground in one HTML file. No build. No dependencies. No framework. Save index.html, double-click it, and…
• emergence lab 一个在浏览器本地运行的人工生命与群体运动实验室。TypeScript + Canvas 2D；无需账户、后端或 API Key。 GitHub Actions 对每次 main 推送和 PR 执行数值/状态测试、TypeScript 构建及 Chromium…
• slime mould computer A single cell with no neurons, designing the metro Lviv never built. Explore, then Optimise. 150 frames, sped up — no cuts. (mp4) Open the…
• boids lab **A flock of birds for every screen in the house — and a laboratory for every question you ask it.** Craig Reynolds' three rules…
• petri mold Мини-игра-арт-объект: чёрно-белая пиксельная чашка Петри, в которой растёт плесень. Ставишь кликами до 8 спор внутри чашки, жмёшь GROW…
• generative art piecemuseum of emergence museum of emergence A living museum of self-organising systems. Eight rooms, each a real-time implementation of a published model in which simple local rules…
• PhD Simulator Captured in Chrome from the v1.12.2 production build using prepared game checkpoints. One task at a time. Read the faculty list before…Vibe-coded
• hold 60 You run a US power grid for one day. Keep it at 60 Hz, or neighborhoods go dark. Play it by hand, or write the dispatch code and race three…
• planetaria Newtonian *N*-body simulator in JavaScript / HTML5. Integration uses a leapfrog (velocity-Verlet) scheme. A softening term avoids singular…
• minors to mvp 고교 1학년부터 은퇴까지 한 야구 선수의 커리어를 시즌 단위로 쌓아 가는 웹 게임입니다. 선수 만들기: 이름, 등번호, 포지션(SP·RP·C·1B·2B·3B·SS·LF·CF·RF), 투타, 고등학교, 얼굴, 플레이 스타일, 훈련 포커스를 정해요…
• CyberFortress Стратегический симулятор архитектора информационной безопасности. Стройте эшелонированную защиту, маршрутизируйте трафик через средства…
• Layer8Problem "The problem is usually located about 30 cm in front of the screen." A satirical sysadmin simulator. You are GlobalCorp's IT department…
• THE SITE IS DOWN game شبیه‌ساز مدیریت یک کافی‌نت ایرانی · An Iranian internet café desk simulator چای سرد است، سامانه قطع است و مشتری می‌گوید «فقط یک دقیقه کار…
• Jabe This is a simulation arena. Littje Javascript Beesten (Jabes) try to survive and replicate in a small world with limited food. Only one can…
• Cascade Regain control before the city falls apart. Cascade is a solo crisis-strategy game about an optimisation system operating across a city's…
• willow flats A city-building game in your browser. Lay out streets, run power, water and waste out to the land, zone it for homes, shops and factories…
• pokebowl A north–south, fully simulated Pokémon football game for desktop and mobile browsers. Play the public game · Project board Draft 22 unique…
• Flocking Simulation Flocking Simulation using p5js with a quad tree to increase performance. Based on the Boids system created by Craig Reynolds in 1986…
• doppler effect A Doppler effect simulation
• double pendulum A simulation for the popular double pendulum experiment in classical physics. This has been created using p5.js. p5 is a JavaScript library…
• physics sim A physics simulation made in JavaScript.
• js car collisions with the 4 walls. basic static and dynamic friction. air drag applied to the center of mass. "arrow-key steering aids"…
• IsoCitySim A simulation of a city using isometric tiles Be sure to check out the demo here. The demo shows off city/road/terrain generation, and it…
• OpenCA OpenCA is an open-source simulator for generation-based 2D cellular automata. There is no theoretical limit to the size of the model it can…
• mcmc demo This application is still work in progress (WIP). There is still next to no documentation, both for the users, as well as potential…
• Tinyrealms A 2D real-time strategy skirmish game built on a deterministic, command-driven simulation. You vs an AI opponent. Gather wood and gold…
• simtower A browser port of the Windows 3.x SimTower executable, with recovered simulation rules, original game resources and Windows 3.1-style…
• POLITICAL SIMULATION1.1 https://puvinium.github.io/POLITICAL-SIMULATION1.1/
• PHYSXHACKATHON OmbakSim OmbakSim is a compact, zero-dependency browser app that simulates real-time 2D wave interference for education and experimentation…
• voronoi breakable Breakable rigid bodies simulation using Voronoi diagrams. Built with the matter.js physics engine and d3-delaunay for computing Voronoi…
• nca wildfire sim A small browser playground for neural cellular automata. The simulation is a grid of cells. Each cell stores a short vector: fuel, heat…
• Game of Life Conways Game of life representation in a web page. The Game of Life, also known simply as Life, is a cellular automaton devised by the…
• rock paper scissors Inspired by Peter Ganunis' epic Rock-Paper-Scissors battles on TikTok, we tried to bring the action to your browser. This project was…
• sandsong A Chladni plate in the browser. Sweep a tone across a square plate covered in sand. At each resonance the grains run from the shaking…
• economy sim A vibe coded economy simulationVibe-coded
• simulationphysics lab physics lab Интерактивная научно-популярная станция: чёрная дыра Шварцшильда, квантовые эксперименты и специальная теория относительности — в одном…
• GameOfLife Any live cell with fewer than two live neighbours dies, as if by underpopulation. Any live cell with two or three live neighbours lives on…
• Particles Ecosystem A tiny Canvas experiment where attraction and repulsion turn colored particles into moving patterns. Open the demo · Browse the code The…
• 2d collision A lightweight and customisable JavaScript library for simulating particle physics, including collisions, gravity, and mouse interactivity…
• magnetic pendulum chaos Three-magnet chaotic pendulum with fractal basin of attraction visualization. Try it live · 🌍 EN · 🌏 ZH. Three-magnet chaotic pendulum…
• tamagotchiClone Everything uses mouse input. Much of the gameplay elements clone that of a tamagotchi. Your pet will automatically get progressively…
• turing pattern generator Gray-Scott reaction-diffusion system: spots, stripes, mazes from two parameters. Try it live · 🌍 EN · 🌏 ZH. Gray-Scott reaction-diffusion…
• game of life studio A polished web-based studio for Conway's Game of Life and related cellular automata. Infinite sparse grid, pattern library, custom…
• particleforge Real-time GPU-accelerated particle system editor in your browser. Create stunning VFX with force fields, color gradients, and 12 presets…
• sketchbook A collection of small browser experiments: classic games, simulations, fractals and canvas effects. Most were written while learning web…
• vivarium Vivarium is a TypeScript library that aims to provide a simple yet expressive way of creating your own cellular automata and run…
• threejs ocean simulator An interactive ocean simulator and editor built with Three.js. Shape waves, change the water and lighting, push the surface, drop buoys…
• abyssarium A chaotic procedural aquarium where strange creatures evolve, swarm, and react to disturbances in a simulated fluid tank. Click anywhere on…
• js13k2017 The worlds first VR flea sim! This is my entry for #js13k2017 Hey little flea, you've lost your hairy tasty host. Hop to it and find her…