Ants Simulation — Ant Colony Laboratory
Watch an ant colony forage, raise new workers, age and survive seasonal food shortages. Edit the landscape and follow its pheromone trails.
Open gameInteractive experiments
Play,
combine,
discover.
Physics, artificial life, and music simulations to explore right in your browser. No downloads, no sign-ups.
Explore games
10 experiences
100% free
Choose your experiment
All games
Every game is a small sandbox: try an idea and see what happens.
Chain Reaction — One-Click Particle Puzzle
Choose one moment and one position, then watch a single explosion spread through a field of moving particles.
Open game
Cosmic Simulator — Build and Evolve a Universe
Trigger a Big Bang and watch matter form stars, planets, neutron stars, pulsars, quasars, and black holes.
Open game
Magnet Factory — Physics Puzzle Game
Guide a metallic ball through physics puzzles, or build your own route with permanent attraction and repulsion magnets.
Open game
Falling Sand 3 — Heat and Material Sandbox
Explore heat and material reactions in Falling Sand 3. Melt ice and wax, mix lava with water, and build experiments with continuous generators.
Open game
Ripples — Wave Interference Simulator
Explore wave interference with two sources in a free ripple tank simulator. Adjust frequency and amplitude, compare borders, and save your setup.
Open game
One Man Band — Free Online Music Loop Maker
Build a browser beat with a 16-step sequencer, drums, bass, keys and horn. Change tempo and swing live, then share your rhythm.
Open game
Falling Sand Game — Play Free Online
Play the classic falling sand game online. Draw sand, water, oil and fire, build walls, and save your sandbox creations. No download or sign-up.
Open game
Falling Sand 2 — Lava and Acid Sandbox
Experiment with lava, acid, water and sand in Falling Sand 2. Paint particle scenes, save a snapshot, or download your creation to continue later.
Open game
BioSim — Artificial Life and Ecosystem Simulator
Explore an artificial ecosystem with herbivores, carnivores and hybrids. Change food supply, observe populations, and inspect individual agents.
Open gameTry an idea
Step-by-step experiments
Set up a scene, change one condition, and compare what happens.
Artificial ecosystem experiment: change the food supply
Use BioSim to compare food supply settings and observe herbivores, carnivores and hybrids. Record what changes without assuming a fixed outcome.
Read experiment →Falling Sand experiment: ice, heat and lava
Build a small material experiment in Falling Sand 3. Compare ice with and without nearby heat, then observe what happens when lava meets water.
Read experiment →Wave interference: an experiment with two sources
Compare one wave source with two in Ripples. Change their spacing, observe interference patterns, and save a setup for your next comparison.
Read experiment →Beyond the screen
Games, toys and science
Ideas for play beyond the screen: brain teasers, board games, science activities and geek gadgets.
Science activities
LEGO Technic Artemis: a launch at the turn of a crank
Explore the staged separation of LEGO Artemis 42221 and discover what its mechanism explains about a rocket launch.
Read article →
Science activities
Earth and Moon on your desk
Turn LEGO Technic 42179 into an investigation of orbits, lunar phases and the limits of a mechanical model.
Read article →
Science activities
Spintronics: circuits you can touch
Explore how Spintronics turns electrical circuits into chains, springs and mechanical puzzles—and where the analogy stops.
Read article →
Geek curiosities
Bittle X V2: programming a robot dog
Explore poses, sequences and calibration with Bittle X V2, while separating programmed movement from autonomy.
Read article →