🔭 Showcase: simulations with preview pictures

Aquarium Keeper: Fish Simulator with a Real Nitrogen Cycle, Ammonia Toxicity, Feeding and BreedingNew📱🟠Run a living 3D aquarium: feed, clean, decorate, breed and collect colourful fish while a… Attic Drug Discovery Lab: Pipetting, Serial Dilution, Hill / IC50 Curve, Plate Reader, Docking Screen and Liquid HandlerNew📱🟠Run a 3D attic drug-discovery laboratory: dock a 12-compound library, make serial dilutions… Attic Molecular Discovery Lab: Episteme Labs - Docking, Dose-Response, Energy Minimisation and Cell CountingNew📱🟠Run a fictional drug-discovery lab in a timber-framed attic: dock compounds into a pocket… Beaver Ecosystem Simulator in Autumn: Dam Waterfall, Rain, Plant Growth, Trout and Eagle LabNew📱🟠Run an autumn valley: beavers gnaw aspen, haul logs and raise a stick dam while rain, snow… Beaver Ecosystem Simulator: Mountain Waterscape Quests - Gnaw, Dam, Lodge and Pond LevelNew📱🟠Swim and walk as a beaver in an alpine valley: gnaw aspen, haul logs to the stick dam, stash… Beaver Life Simulator: Build a Dam and Lodge, Feed the Family, Survive the WinterNew📱🟠Run a beaver family in a mountain valley: cut aspen, raise a stick dam (weir and seepage… Beaver Valley: 3D Ecosystem Simulator with Dam Hydrology, Rain, Day-Night Cycle and a Living PondNew📱🟠A living beaver valley at sunset: beavers cut aspen and stack a stick dam (weir and seepage… Beaver Valley: Gnaw, Fell, Haul and Dam a Woodland Stream (Colony Energy and Pond Level Lab)New📱🟠A working beaver in a golden-hour woodland valley: incisor chip rate fells aspens, the 20 kg… Bicycle Repair Simulator Workshop: Spoke Truing, Chain Wear, Brake Caliper Torque and Derailleur IndexingNew📱🟠Fix a mountain bike in a garage workshop: inspect the frame, centre and torque disc-brake… Woodworking Simulator: Birdhouse Workshop with Saw Kerf, Sanding Grit, PVA Clamp Pressure, Screw Torque and Finish CoatsNew📱🟠Build a cedar birdhouse at a cluttered workbench: saw eight parts to within 1.5 mm of the… Car Restoration Simulator Workshop: Disassemble, Sort, Clean, Torque-Rebuild and Dyno Test LabNew📱🟠Restore a rusty classic coupe in a garage: unbolt the body against rust breakaway torque,… Castleland Adventure: Dragon Flight, Terrain Sculpting and Chat-Agent World BuilderNew📱🟠Fly a dragon over a castle-on-an-island kingdom with a real lift/drag/stamina flight model,… The First Day at Work: Cat Office-Day Focus and Energy LabNew📱🟠Guide a calico cat through a first office day: objectives, meetings, tasks, breaks and meals… Cat Simulator: Cozy Living Room Kitten with Needs, Yarn Physics and Pounce LabNew📱🟠Look after a tabby kitten in a cozy living room: feed, play with a rolling yarn ball and a… Cat's Work Day: Cozy Desk Energy, Focus and Happiness DashboardNew📱🟠A fluffy cat runs a work day at a cozy desk. Switch between Work, Play and Rest, feed and… Chameleon Terrarium Keeper: Care Simulator with Vapour-Pressure Deficit, Q10 Metabolism and a Thermal GradientNew📱🟠Care for a chameleon in a tropical terrarium: feed it, mist the leaves, set the heat lamp,… Chaotic Cozy Home: Chores Queue, Stamina and Mood, Mess Growth and Hot-Water Energy Bill LabNew📱🟠Run a busy, messy home in 3D: cook, wash up, do the laundry, tidy, bathe and keep your… Cinematic Laptop Upgrade Workshop: SSD, DDR5, Fan Dust, Thermal Throttling, Screw Torque and ESD LabNew📱🟠Take a laptop apart on a sunny workbench: ground yourself, undo the base screws with the… City Simulator: Medieval Valley Kingdom - Needs, Tasks, Research and TradeNew📱🟠Rule a medieval valley town on day 27: keep eight needs in balance (population, happiness,… Cosy Kitten Home: Eight-Activity Care Sim with Day Clock, Coins and LevelsNew📱🟠Raise a playful 3D kitten in a sunny living room: five live needs (happiness, hunger,… Cosy Girl Simulator: Dollhouse Playroom - Needs, Day Clock, Coins and Tasks LabNew📱🟠A cosy 3D playroom life-sim: care for a pet, tidy up, study, cook, dress a doll and decorate… Cosy Pet Simulator: Game Room with Needs, Day Clock, Coins and Daily TasksNew📱🟠A cosy 3D pet room where you look after a dog, rabbit, kitten, tortoise, hamster, parrot and… Creature Sanctuary: Species Matching, Thermal Comfort and Logistic Growth LabNew📱🟠Match cuddly imaginary creatures to glass habitats, tune temperature and humidity with… Dinosaur Park Simulator: Jurassic Overlook, Visitor Happiness, Feeding and Research LabNew📱🟠Run a dinosaur park from a viewing deck: feed animals by Kleiber-scaled rations, keep fences… Dog Simulator: Sunny Garden - Puppy Care, Fetch Ballistics, Kleiber Energy and Training LabNew📱🟠Care for a golden puppy in a sunny garden: feed, walk, play fetch with drag-and-bounce ball… Engine Building Workshop: Teardown, Torque, Clearance and Compression Test LabNew📱🟠Strip a four-cylinder engine on a garage bench, clean and measure the parts with a… English Apple Press: T-Bar Lever, Load-and-Turn Hand Force and Cider Yield LabNew📱🟠Load crushed apples into a Somerset farm screw press, set how hard you push on the T-bar,… English Arch Bridge Builder: Voussoirs, Keystone, Centering and Thrust-Line Load TestNew📱🟠Build an English brick arch bridge voussoir by voussoir on timber centering, drop in the… English Bell Ringing: Wheel, Rope Pull Timing and Clapper Strike LabNew📱🟠Pull the rope of a bell hung in an English church tower. The bell, headstock and wheel swing… English Platen Letterpress: Toggle Press, Ink Film and Impression Pressure LabNew📱🟠Set the type, ink the forme with two rollers and pull a postcard on a cast-iron platen… English Signal Box Simulator: Lever Frame, Points Routes, Interlocking and Braking DistanceNew📱🟠Stand at the lever frame of an English Victorian signal box on the Chelford to Oakridge… English Tea Brewing: Steeping Time, Water Temperature and Cup Strength Balance LabNew📱🟠Brew a pot of tea in a rainy English tea room: pick the tea, water temperature and steeping… English Village Hand Pump: Piston, Valves, Suction Lift and Leather-Seal Flow LabNew📱🟠Work the long handle of a cast-iron village pump, open the cut-away to watch the piston,… English Weaving Loom Simulator: Yorkshire Herringbone, Shuttle Throw and Thread PathNew📱🟠A Yorkshire workshop treadle loom you can drive: choose plain weave or herringbone, pick the… Fantasy Island World Builder: AI Chat, Objectives, Terrain Brush, Erosion and WeatherNew📱🟠Build and explore a living fantasy island: ask a keyword-driven AI helper for castles,… Farm Management Simulator: Morning Chores, Green Tractor with Loader, Hay Trailer, Cow Herd, Hen Coop, Raised Beds and Counted Tasks LabNew📱🟠Run a morning farm: harvest raised beds that grow by logistic thermal time and a soil-water… Farm Simulator: Countryside Adventure - Crops, Livestock, Tractor and MarketNew📱🟠Run a countryside farm: grow wheat, sunflowers, corn and vegetables with growing-degree-day… Flower Simulator: Garden Care with Evapotranspiration, Growth and PollinatorsNew📱🟠Run a cottage flower garden day by day: plant six species, water a soil bucket that dries by… Food Simulator: Kitchen Menu, Cooking Heat Transfer, Metabolism and Needs LabNew📱🟠Run a cosy Blender-built kitchen: chop, control the burner to hold a core temperature… Garage Cleanup Workshop: Sort Bins, Magnet Test, Wipe the Bench and Recycling EnergyNew📱🟠A 3D home-garage workshop where you sort 86 loose parts into metal, plastic, electronics and… Garage Maintenance Simulator: Workshop Shift Lab with Oil, Filters, Brake Pads, Torque and Tyre PressureNew📱🟠Work a garage shift on a red sedan: change 5W-30 oil with a viscosity-driven drain, swap the… Garage Organization Workshop - pegboard tool sorting, shelf deflection, bolt torque and motorcycle fixNew📱🟠Tidy a motorcycle garage against the clock: hang 16 tools in size order, load shelves within… Golden Hour Farm Simulator: Tractor, Barn, Cow, Crops, Milk, Economy and Needs LabNew📱🟠Run a farm at sunset: plant, water and harvest four crops on logistic growth and a… Golden Hour Farm Simulator: Tractor, Barn, Crops, Milk, Needs, Tasks, Market and Photo LabNew📱🟠Run a sunset farm: till beds with a tractor, plant wheat, carrots, tomatoes and cabbages… Golden Retriever Puppy Backyard: Daily Care, Fetch Ballistics and Kleiber Energy BalanceNew📱🟠Raise a golden retriever puppy in a sunny backyard: six live needs, a day clock, task list… Hamster Simulator: Cozy Habitat with a Physics Running Wheel, Cheek Pouches and Needs Day ClockNew📱🟠Look after a golden hamster in a cozy wooden habitat: feed, water, decorate, play, care,… Hedgehog Garden Care: Hunger, Thirst, Energy and Accessories with Daily Tasks and Kleiber MetabolismNew📱🟠A 3D cottage garden where you look after a hedgehog: berries, insects, water, pinecones,… Historic Attic RNA Discovery Lab: Episteme Labs - RNA Integrity, Reverse Transcription, qPCR Fold Change, Gel Sizing and Gene ExpressionNew📱🟠Run a fictional RNA discovery lab in a timber-framed attic: protect RNA from RNases… Husband Simulator: Living Room Chaos - Chores, Wife Patience, Kcal and Mood Balance LabNew📱🟠A messy living room household simulation: balance a husband's mood, energy, hunger… Jumping Spider Terrarium Keeper: Hunt, Web Silk, Q10 Metabolism and Humidity with Daily TasksNew📱🟠A 3D macro terrarium where you look after a jumping spider: pounce on flies and grasshoppers… Kid Simulator: Toy City Adventure - Needs, Daily Tasks, Train Tipping Speed and Banked-Turn LabNew📱🟠A kid's bedroom with a toy city: keep happiness, learning, health, friends and creativity… Kingdom Builder: Medieval Realm with Economy, Research, Trade and HarbourNew📱🟠Rule a medieval realm from a castle crag to a harbour bay: build homes, farms, windmills,… Laptop Internals Upgrade Bench: Battery Runtime, NVMe Swap, Dual-Channel DDR5, Heatsink Paste and Fan DustNew📱🟠Open a laptop from below and upgrade it hands-on: unplug the 86 Wh battery, strap on ESD… Sunset Over a Martian Colony: Solar Power, ISRU Greenhouse Dome, Launch Pad and Dish Link SimulatorNew📱🟠Run a Mars outpost from a rocky ridge at sunset: manage solar and fission power through the… Medieval City Builder: Springtime Settlement with Castle, Walls, Market and Resource FlowsNew📱🟠A 3D medieval valley town you build and manage: place houses, farms, lumber mills, quarries,… Medieval Kingdom Strategy Panorama: Realm of 1423 with Castle Crag, Stone Bridge, Mills and HarbourNew📱🟠Rule a medieval realm in the spring of 1423 from a knight's lookout: an old quarter of empty… Nine-Scene Simulation Game World: Village, Reef, Mars, Farm, City, Energy Grid, Railway, Quarry, Lakeside CampNew📱🟠A 3x3 map of nine working simulation scenes - a village, coral reef dive, Mars dome colony,… Nine-Worlds Simulation Game HUD Gallery: Mars, Medieval, Ocean, Forest, Flight, Farm, Egypt, Dino Park, CityNew📱🟠Nine playable simulation worlds behind one game-HUD gallery: a Mars colony, medieval city,… Otter Simulator: Lakeside Adventures - Needs, Fishing, Fur Insulation and Habitat BuilderNew📱🟠Live a day as a river otter at a lakeside cabin: swim, dive and hunt trout against wave drag… Parrot Care Aviary: Hunger, Energy, Training and Social Needs with Daily TasksNew📱🟠A 3D aviary where you care for a blue-and-gold macaw: feeding changes an energy reserve… PC Building Workshop: Motherboard, CPU Socket, Dual-Channel RAM, GPU, Cables, Thermal Paste, PSU Budget and Boot Test LabNew📱🟠Build a gaming PC on a sunny workbench: mount the board with torque-limited screws, seat the… Penguin Simulator: Antarctic Adventure - Chick Needs, Fishing, Igloo and Colony LabNew📱🟠Look after a fluffy penguin chick on an Antarctic ice floe: keep happiness, hunger, energy,… Physics Playground Simulator: Workshop Lab with Dominoes, Ramps, Magnets, Prism, Vortex and MachinesNew📱🟠A 3D workshop bench with eleven working experiments: toppling domino chains (rigid-block… Rabbit Simulator: Garden Hutch with Hay, Water, Heat Comfort, Daily Tasks and ExploringNew📱🟠A sunny 3D garden where you look after a pet rabbit: needs follow Kleiber's law for energy,… Robotic Bricklayer: Curved Dutch Facade, Brick Bond, Mortar and Cycle-Time LabNew📱🟠Two tracked robots with two-link arms lay a curved Dutch brick facade from a climbing… Rome 509 BC: Birth of the Republic - Curia, Capitol and Tiber Harbour City BuilderNew📱🟠Build early Republican Rome from a wall above the Tiber: grow a logistic population limited… Rome 509 BC: Capitoline Temple Dedication - Forum Steps, Consul Election and SPQR Banners City BuilderNew📱🟠Govern the first year of the Roman Republic from a balcony overlooking the forum steps and… Rome 509 BC: Capitoline Temple of Jupiter Dedication - Balcony City Builder with Grain, Treasury, Legions and SenateNew📱🟠Overlook the building site of the Temple of Jupiter from a Roman balcony in the first year… Rome 509 BC: Birth of the Republic from Legion Ridge, Hill City and Economy LabNew📱🟠Overlook the hill city of Rome from a legion ridge in 509 BC: feed, house and water a… Rome 509 BC: Republic Dawn - Senate Balcony City Builder with Forum, Market and Legion LevyNew📱🟠Run the young Roman Republic from a Senate balcony: place houses, a forum, markets, aqueduct… Turtle Reef Life: Metabolism, Q10 Thermocline and Care AdventureNew📱🟠Care for a young sea turtle on a tropical reef: swim with drag-and-thrust physics, eat,… Ultimate Simulator Game Gallery: 16 Playable Simulators - Beaver, Farm, City, Ocean, Flight, Volcano, Dinosaur, Space Colony, SurvivalNew📱🟠A 4x4 gallery of sixteen playable simulators - beaver dam, farm, city builder, ocean life,… Space Simulator: Observatory Balcony, Telescope, Kepler Orbits, Tasks and Needs LabNew📱🟠A balcony observatory game: aim a telescope at planets, the Moon and galaxies placed by a… Squirrel Simulator: Forest Adventure, Treehouse, Acorn Larder, Needs, Tasks and Energy LabNew📱🟠Play a red squirrel in a 3D autumn forest: collect and store acorns, climb to a treehouse… Starlit Attic Cinema Retreat: Projector Optics, Sabine Room Acoustics, Telescope Resolution and a Planet OrreryNew📱🟠Run a star-ceilinged attic cinema: set projector throw, lumens and screen gain against… Start From Nothing: Town Founder, Build Work Earn Expand Economy LabNew📱🟠Found a small town from a rooftop with $450: do shifts, build homes, shops and workshops,… Sunken Treasure Wreck Dive - scuba air use, Boyle pressure, buoyancy, nitrogen loading and light absorptionNew📱🟠Dive a coral reef, a sunken sailing ship and ancient ruins: trim a BCD for neutral buoyancy,… Tropical Community Aquarium: Fish Energy Budget, Q10 Temperature and Water ChemistryNew📱🟠Run a living tropical community tank with guppies, mollies, clownfish, neon tetras and… Tropical Sandcastle Kingdom: Tide, Moat, Wave Erosion and Sand Cohesion LabNew📱🟠Defend a pirate-bay sandcastle from the rising tide. Keep the sand at its capillary-cohesion… Ultimate Simulation Game Gallery: 16 Playable Worlds - Beaver Dam, Solar System, Volcano, Ocean, City, Farm, Wildlife, Weather, Flight, Construction, Submarine, Rocket, Dinosaur, Medieval, Aquarium, SurvivalNew📱A 4x4 gallery of sixteen playable simulation worlds - each tile is a live mini-simulation… Ultimate Simulator Game Gallery: Sixteen Playable Worlds (Beaver, Farm, City, Ocean, Wildlife, Construction, Flight, Submarine, Volcano, Weather, Dino, Aquarium, Space, Pet, Medieval, Survival)New📱🟠One 4x4 game gallery with sixteen playable simulation worlds - beaver dam hydrology, farm,… Vibrant Nine Worlds Grid: Sandcastle Bay, Reef, Village, Mars, Farm, Energy, City, Quarry, Lakeside CampNew📱🟠A 3x3 grid of nine working simulation worlds: sandcastle bay with tides and wet-sand… Wolf Simulator: Wilderness Pack Menu, Needs, Hunt, Den and Skills Day-Cycle LabNew📱🟠Live a wolf's day in a mountain valley: six needs driven by Kleiber metabolism and cost of… Neon Tesseract Rotation Visualiser: Six-Plane 4D Rotation, Projections, Slice and Net FoldNew📱🟠Rotate a 4D hypercube in all six planes (xw, yw, zw plus xy, xz, yz), see its 16 vertices,… 3D Spacetime Curvature Simulator: Gravity Well, Orbits, Light Lensing, Multiple Masses and Time Dilation LabNew📱🟠A 3D spacetime sheet that deforms around a star, black hole, binary or galactic centre:… Aircraft Flight Simulator Dashboard: 6-DOF Trajectories, Wind, Thermals and Model ComparisonNew📱🟠Fly a piston single, a twin-jet airliner or a sailplane in a real 6-DOF rigid-body model… Airline Simulator: Global Flight Command with London Hub Sunset, Fleet, Routes, Fares and DemandNew📱🟠Run an airline from a London hub at sunset: lease aircraft, open routes on a live globe, set… Airline Simulator: Global Flight Dashboard - Great Circles, Breguet Fuel Burn, Cargo Balance and Route EconomicsNew📱🟠A working airline command dashboard: plan a great-circle route on a day/night globe, choose… Black Hole Explorer Dashboard: Kerr Spin, ISCO, Accretion Disk Temperature, Time Dilation, Orbits, Lensing and Size ComparisonNew📱🟠A six-panel black hole dashboard: per-pixel ray-traced Schwarzschild lensing with a… Black Hole Simulation Interface: Mass, Accretion Rate, Spin, Jets, Lensing and Matter Infall in Six ScenesNew📱🟠A ray-traced black hole with sliders for mass (1-100 solar masses or 10^6-10^8), accretion… Bubble Wars: Sky Kingdom Lobby - Bubble Ballistics, Buoyancy and Drag Arena LabNew📱🟠A playable bubble-blaster lobby and arena on floating islands. Bubbles fly with real drag,… Bubble Wars Sky Kingdom Lobby: Bubble Pressure, Buoyancy and Pop Arena with Worlds, Quests and Season HubNew📱🟠A working game lobby on a floating-island kingdom: pick a world, mode and blaster, spend… Car Mechanic Simulator Garage Dashboard: Oil Leak Gasket Torque, Air Filter Darcy Flow, Brake Fade, Dyno and Test Drive LabNew📱🟠Run a garage dashboard on a red coupe with the hood open: scan the fault codes, find an oil… Castle Builder Simulator: Summer Valley with Crane, Masonry, Harvest, Trade and GarrisonNew📱🟠Finish a six-stage castle in a 3D summer valley: a treadwheel crane lifts blocks while… City Builder Dashboard: Riverside - Zoning, Power Mix, Budget, Population and Happiness LabNew📱🟠A playable 3D river city: zone districts, lay roads and bridges, balance a 320 MW solar,… Cloud Simulator: Bring Life to a Dead World - Rain, Erosion and Regrowth on a Floating IslandNew📱🟠Steer a rain cloud over a barren floating island and watch real water routing, soil… Water Simulator: Coastal Erosion - Chalk Cliff Wave Undercutting, River Incision, Sediment Budget and Bruun Rule Shaper LabNew📱🟠Shape, erode, flow: a 3D chalk-and-clay coast where waves undercut cliffs (Sunamura-type… Dinosaur Park Simulator: Management Dashboard, Habitats, Breeding, Power, Staff and FinancesNew📱🟠Run a dinosaur park from a full management dashboard: place buildings and paths on a 3D map,… Dog Park: Springtime Adventure - Open World, Agility, Time Trials, Pack Races, Gait and Energy LabNew📱🟠A springtime city dog park with a pond, arched bridge, pagoda and agility field. Explore,… Earthquake Building Challenge: Shake Platform with a Braced Timber Frame, Masonry Tower and Tile-Roof HouseNew📱🟠Design three buildings on a shake platform (braced timber frame, unreinforced masonry tower,… Earthquake City Under Stress: Magnitude, Depth, Soil Amplification and Building Damage LabNew📱🟠Choose magnitude, focal depth, soil and building type, then start a cut-away earthquake:… English Baking Oven Simulator: Peel Loading, Hearth Heat, Maillard Crust and Crumb Core LabNew📱🟠Shape and prove a village loaf, slide it onto the peel and into a wood-fired brick oven,… English Tower Windmill: Sail Pitch, Betz Limit, Gear Train and Millstone Flour Yield LabNew📱🟠A cut-away Norfolk brick tower mill you can run: set the wind speed and the sail angle,… Farming Life Simulator: Living Countryside Dashboard - Farm Overview, Crop Management, Build Menu, Machines, Market Prices, Animal Status and Minimap LabNew📱🟠Run a living summer farm from a full dashboard: growing-degree-day crops with Hargreaves… Farming Simulator: Golden Hour Homestead - Eight Enterprises, Workers, Machinery, Market and Sustainability LabNew📱🟠Run a whole homestead at golden hour: crops with GDD and soil-water, dairy cows and hens on… Fishing Simulator: Alpine Lake Adventure - Boat, Sonar, Line Tension, Water Temperature and Fish Collection LabNew📱🟠Drive a bass boat on seven fishing locations from a snowy alpine lake to the open ocean:… Simulation Game Gallery Showcase: Space Colony, Shipyard, City, Farm, Submarine, Railway, Construction, Forest Survival, RestaurantNew📱🟠A nine-tile showcase of playable simulator games - Mars colony (solar power and… Gravity Slingshot Dashboard: Flyby Planner with N-body Trajectories and Multi-Flyby ChainsNew📱🟠Launch a spacecraft from Earth, Mars or Venus and fly past planets: a launch-window solver… Heartland Rome: Republic Rises 509 BC - Senate Menu Grand Strategy with Factions, Map, Army, Economy, Technology and CultureNew📱🟠A menu-driven grand strategy of the early Roman Republic from a Senate balcony: balance five… Home Design Simulator: Sunset Lakeside Estate (Build, Decorate, Renovate, Live)New📱🟠Build, decorate, renovate and live in a lakeside family home at sunset: a thermal house… Kingdom Builder Simulator Interface: Castle, Village, Farming, Trading, Military, Exploration and CustomizationNew📱🟠Rule a medieval realm from a castle on its crag to a harbour town: seven scene tabs (castle… Laptop Upgrade Workshop: UPGRADE Checklist, Speed Gauge, SSD, DDR5, Fan Cleaning and Thermal LabNew📱🟠Open a laptop on a sunny desk, ground yourself, unscrew the base with the right bit, swap… City Builder Simulator: London Skyline - Thames, Parliament Clock Tower, Eye Wheel, Bridges, Transport, Economy and Happiness Dashboard LabNew📱🟠Plan, build and manage a London-style river city: place Victorian terraces, towers, services… Lunar Colony Builder: Earthrise Moon Base Alpha with Regolith Mining, Conveyors, Oxygen, Water and Power SimulatorNew📱🟠Run Moon Base Alpha under a rising Earth: mine regolith with excavators and a robotic arm,… Mars Colony Simulator: Build, Research, Colonists, Power, Defense, Missions and Terraforming Command InterfaceNew📱🟠Run a Mars colony from a command interface: place domes, tubes, solar trackers, drills and a… Mars Colony Simulator: Domes, Solar, Wind, Greenhouses, Water and OxygenNew📱🟠Run a 24-person Mars colony in 3D: place habitat domes, solar arrays, wind turbines,… Medieval Kingdom Builder: River Valley Dominion with Castle, Port, Army and DiplomacyNew📱🟠Rule a 3D river-valley kingdom from a castle lookout: build houses, farms, mills, barracks,… City Builder Simulator: Modern City - River Skyline, Tower Cranes, Monorail, Power, Water and Traffic Economy LabNew📱🟠Plan, build, manage and grow a modern river city: paint zones that develop by themselves,… PACS & DICOM Viewer Simulator: CT, MRI, X-Ray and Ultrasound Window/Level, Hounsfield ROI Measurement and C-STORE Transfer LabNew📱Educational PACS and DICOM viewer: scroll a synthetic CT brain stack, set window/level,… Planet Colony Simulator: Mars Frontier - Dome City, Solar Fields, Greenhouses, Ice Mining, Rockets, Terraforming and ResearchNew📱🟠Run a Mars frontier colony from its main menu: place habitats, solar fields, greenhouse… Pumpkin Graveyard: Roll, Smash, GrowNew📱🟠Roll a giant jack-o'-lantern through a haunted graveyard, smash smaller pumpkins and crates,… Quantum Entanglement Mission Console: Particle and Bell-State Menus, Distance Latency, Basis Dial and Six-Experiment HubNew📱🟠A quantum dashboard: pick photon, electron, proton or ion pairs and a Bell state, set the… Quantum Entanglement Simulator Dashboard: Bell States, CHSH Test, Distance and Measurement AngleNew📱🟠A laboratory dashboard for an entangled pair: choose photon, electron or cold-atom qubits, a… Quantum Entanglement Simulator Observatory: Seven-Scene Hub with Bell/CHSH Decoherence, Double Slit, Tunneling, Collider, Hydrogen Orbitals, Qubit Circuits and Black Hole LensingNew📱🟠A seven-experiment quantum observatory with a Blender-built holographic stage: Bell-pair… Quantum Lab Simulator Control Room: Bloch Sphere, Bell State, Wave Function and Seven ExperimentsNew📱🟠A working quantum control room built from the interface mock-up: entangled qubit pairs with… Recamán's Sequence Neon Arc Visualiser: Live Collision Counter, Recurrence Panel and Mini MapNew📱Watch Recamán's sequence a(n) = a(n-1) - n (or + n) build itself as rainbow semicircular… Ship Port Simulator: Harbour Berthing, Tug Assist, Gantry Cranes and Trade EconomyNew📱🟠Run a working harbour: bring ships alongside with a 3-DOF manoeuvring model, tides, wind and… Space Observatory Simulator: Hilltop Dome Research Station, Telescope SNR, Crew, Power, Missions and Economy LabNew📱🟠Run a hilltop research station: aim a dome telescope and terrace scopes at real sky… Survival Frontier: Valley Base-Builder - Lake, Waterfall, Cabin, Farm, Fishing, Wildlife Tracking and Campfire Heat-Balance LabNew📱🟠A playable open-world valley with a lake, waterfall, log cabin, farm, dock and campfire:… Sustainable City Simulator: Green Skyline, Clean Energy, Carbon Budget, Water, Waste, Transit and Research LabNew📱🟠Build, manage and balance a coastal garden city: paint zones that grow into green towers,… Simulation Worlds: Ultimate Game Gallery - 12 Live Simulators (City Builder, Farm, Space Colony, Ocean Life, Dinosaur Park, Train, Construction, Flight, Volcano, Weather, Boat, Forest Life)New📱A 3x4 gallery of twelve playable simulators laid out like the picture - each tile is a live… Ultimate Simulator Game Collection: 16 Playable Genres - Medieval Kingdom, Space Flight, Forest Survival, City Transport, Farming, Underwater, Rome, Colony, Car Mechanic, Zoo, Weather, Ship Builder, Real Estate, Fire Fighter, Train, ChefNew📱A 4x4 collection of sixteen playable simulator games - medieval kingdom, three-stage rocket… Ultimate Simulator Game Collection: 12 Playable Simulators (Car Mechanic, Farm, Flight, Train, City Builder, Survival Island, Zoo, Underwater Life, Construction, Boat, Cooking, Space Colony)New📱A 4x3 collection of twelve playable simulators laid out like the picture: car garage, farm,… Ultimate Simulator Game Grid: Sixteen Live Simulators (City Builder, Farm, Airline, Train, Space Colony, Ocean Life, Dinosaur Park, Medieval Kingdom, Construction, Weather, Boat, Forest Survival, Real Estate, Car Mechanic, Zoo, Chef Cooking)New📱A 4x4 grid of sixteen playable simulators laid out like the picture - each tile is a live… Valley Farm Tycoon: Fields, Herd, Orchard, Apiary, Processing, Workers, Market and ExpansionNew📱🟠Run a 3D valley farm from the main menu: tractor field jobs with thermal-time crop growth… Wildlife Simulator: Forest Valley with Seven Biomes, Stag, Wolf Pack, Grizzly at the Falls, Food Web, Evolution Lab and Photo ModeNew📱🟠Play a red stag, wolf, bear, bison or eagle in a living 3D mountain valley: energy budgets… Wildlife Simulator: Mountain Valley HUD (Brown Bear, Salmon Run, Elk Tracking, Scent Plume and Photo Quests Lab)New📱🟠Play a 420 kg brown bear in a Rocky Mountain valley: Kleiber hunger, thirst and… Wildlife Simulator: Valley at Dawn - Wolf Survival, Hunt, Den, Family and Eight-Biome Quest LabNew📱🟠Survive as a wolf in a mountain valley at dawn: Health, Food, Water and Energy driven by… Wildworld Adventures: Open-World Game Menu, Explorer and Husky, Quests, Build and Craft, Survival and Skills LabNew📱🟠A playable open-world game hub: walk a fantasy valley with an explorer and a husky, gather,… Zoo Park Tycoon Simulator: 3D Main Menu, Build, Care, Research, Expand (Elephants, Big Cats, Savannah, Penguins, Tropical House, Aquarium, Reptiles, Butterflies)New📱🟠Run a Blender-modelled 3D zoo park from a game-style main menu: eight habitats (elephants,… 3D Roche Limit Tidal Disruption Simulation: Rubble-Pile Moon Infall, Tidal Stream and Debris Ring LabNew📱🟠A rubble-pile moon of 360 self-gravitating fragments falls toward Jupiter, Saturn, Neptune,… Classic Small Car Restoration Workshop: Rust Panel Welding, Paint Film, Torque Reassembly and Dyno Test Drive LabNew📱🟠Restore a rusty classic small car in a garage: free seized bolts with oil, clean parts,… Garage Simulator: Engine Overhaul Dashboard with Compression Ratio, Bearing Oil Film, Head-Bolt Torque, Turbo Dyno, Brake Fade, Orders and Economy LabNew📱🟠A full garage dashboard built from the reference scene: strip a 3.0 L turbo inline-six on a… Plate Tectonics Simulator Dashboard: Boundary Builder, Euler-Pole Spreading, Subduction, Earthquakes and Volcano ArcsNew📱🟠A 3D relief world of seven moving plates on Euler poles. Build convergent, divergent and… Space Mission Simulator Dashboard: Lunar Explorer from Ascent to SplashdownNew📱🟠Plan, launch and fly a lunar mission end to end: rocket-equation ascent, trans-lunar… Space Simulator Dashboard: Solar System, Kepler Orbits, Vis-Viva, Hohmann Transfers, Mission Control, Surface Gravity and Escape VelocityNew📱🟠A full space dashboard: live Kepler ephemeris of the planets, Moon, asteroid belt and a… Structural Demolition Simulator: Progressive Collapse Lab - Load Path, Column Capacity, Wind, Seismic and ImpactNew📱🟠Build a 3-20 storey reinforced-concrete frame, choose concrete strength, column size and… Sunny Fields Farm Simulator: Dashboard with Crop Growth, Herd Energy, Machines, Market and MinimapNew📱🟠Run the Sunny Fields farm from a game-style dashboard: thermal-time crops with a soil-water… Tornado over the Farmstead: Storm-Chaser Pickup, Wind Load and Roll-over LabNew📱🟠Drive a pickup past a Burgers-Rott tornado crossing a Blender-built Great-Plains farmstead:… Tsunami Coastal City Inundation: Wave Height, Depth, Magnitude, Topography, Sea Wall and Evacuation LabNew📱🟠Set wave height, ocean depth, earthquake magnitude and coastline, then simulate a tsunami: a… Tsunami Coastal Impact Simulator Dashboard: Earthquake Source, Wave Propagation, Inundation and EvacuationNew📱🟠Dashboard that turns earthquake settings (magnitude, depth, fault type, epicentre) into a… Volcanic Eruption at Sunset: Magma Viscosity, Gas Content, Chamber Pressure and Effusive vs Explosive LabNew📱🟠Watch a stratovolcano erupt from a ridge at sunset and drive it with four controls: magma… Volcano Eruption Simulation Dashboard: Magma Viscosity, Gas, Chamber Pressure and Vent SizeNew📱🟠Drive a 3D stratovolcano with four sliders: magma viscosity, gas content, chamber pressure… Volcano Simulator Dashboard: Eruption Column, Lava Flow, Pyroclastic Flow, Ashfall and Environment ImpactNew📱🟠A working volcano dashboard over a 3D island with a town, forest, river and sea. Choose the… Wildlife Habitat Simulator Dashboard: Ecosystem Lab (Bear, Wolf, Deer, Elk, Fox, Rabbit, Eagle, Duck, Salmon, Trout, Frog, Beaver, Food Web, Population Dynamics and Seasons)New📱🟠Run a mountain-valley ecosystem from a live dashboard: 12 animal species with predator-prey… Wolf-Sheep Predation Dashboard: Agent-Based Flocking, Scent Hunting, Lotka-Volterra Phase Plot, Minimap and Four Terrains LabNew📱🟠Watch an agent-based predator-prey meadow in 3D: sheep graze logistic grass and flock,… Cell Cycle Clock Lab: Cyclin-CDK Oscillator, Size Checkpoint and Spindle CheckpointNew📱🟠A growing cell runs a cyclin-Cdk1-APC oscillator (Goldbeter's minimal model) that triggers… City Noise Map: Road, Rail and Aircraft Sound Levels with Barrier Diffraction and LdenNew📱🟠A 3D district where a motorway, a railway and an aircraft approach radiate A-weighted sound.… Classroom Orb Launcher: Strobe Photo, Vectors and DragNew📱🟠A glowing orb leaves a bench-top launcher in a classroom: strobe ghosts, live velocity… Cloud Droplet Growth Lab: Condensation, Collision-Coalescence and Ice (Super-Droplet Model)New📱🟠Lift an air parcel and watch aerosol particles activate into cloud droplets (Koehler… Collision-Theory Reactor: Dimerisation Equilibrium, Kc and Le Chatelier ShiftsNew📱🟠Watch hundreds of colliding molecules react in a glass reactor: A + A forms a dimer D when… Cosmic Web to Spiral Disk Lab: Zel'dovich Collapse, NFW Halo, Tidal-Torque Spin and Density WaveNew📱🟠Grow a cosmic web from small ripples with the Zel'dovich approximation and LCDM growth,… Cottage Apiary: Hive Heat Budget, Open-Frame Inspection and ForageNew📱🟠Keep a garden beehive alive: balance the colony's heat budget against wind, sun, insulation… Crystal Growth from Solution: Nucleation Barrier, Supersaturation and Faceted HabitNew📱🟠Cool a saturated salt solution and watch crystals nucleate and grow: classical nucleation… Earth's Dipole Field: L-Shells, Compass Dip Angle and Trapped-Particle Mirror BounceNew📱🟠Read a dip compass anywhere on the globe, squeeze the magnetosphere with the solar wind and… Exoplanet Transit: Limb Darkening, Light-Curve Fit and Detection LimitNew📱🟠Watch a planet cross its star, build the folded light curve point by point, fit the planet… Forest Cross-Section Lab: Canopy Light, Mycorrhizal Carbon Network, Deer Browsing and Soil NitrogenNew📱🟠A slice through a mixed oak and spruce forest. Leaves share the light (Beer-Lambert), fungi… Francis Turbine Hall: Penstock Head, Euler Work and Efficiency HillNew📱🟠A Blender-modelled Francis hydro unit with cutaway casing and flowing water. Set reservoir… Gene Pool Diorama: Mendel Crosses, Hardy-Weinberg, Drift and Island Migration LabNew📱🟠Three 3D islands of figures coloured by genotype: breed Mendelian crosses, then watch one… Goose V-Formation Lab: Upwash Drag Savings, Wind Drift and Fat-Fuel RangeNew📱🟠Fly a flock of geese in V formation over a mountain-and-coast landscape and see how… Hydroelectric Dam Cutaway: Reservoir Balance, Spillway Gates, Penstocks and Four Francis UnitsNew📱🟠Run a whole hydropower plant in 3D: set river inflow, open spillway gates, load four Francis… Jet Stream Globe Lab: Thermal Wind, Rossby Meanders and Flight TimesNew📱🟠Watch two glowing jet streams wrap a globe: a temperature contrast sets the jet speed… Castle Town Waterworks Lab: Gravity-Fed Fountain, Pipe Head Loss and Jet HeightNew📱🟠A hilltop cistern feeds a market-square fountain and a watermill through a pipe. Raise the… Meerkat Mob: Burrow Cross-Section, Foraging Patches, Marginal Value Theorem and Sentinel Duty LabNew📱🟠A Kalahari meerkat mob in a cut-away burrow and a desert of prey patches: depleting patches… Oberth Effect Perigee Burn: Earth Flyby Gravity Assist LabNew📱🟠Fly a probe past Earth on a hyperbola and see how the pass turns its velocity, changing its… Packet Path Diorama: Queues, Congestion and Adaptive Routing LabNew📱🟠A 3D diorama of data centres and routers where every cable is a queue: three packet flows… Protein Folding Funnel: 3D HP Cubic Lattice, Levinthal Paradox and Hydrophobic Collapse LabNew📱🟠A 27-residue hydrophobic-polar chain folds on a cubic lattice by Metropolis Monte Carlo:… Pulmonary Mechanics Lab: Compliance, Resistance, Time Constant and Altitude Gas ExchangeNew📱🟠An X-ray style Blender chest with ribs, diaphragm, lungs and a bronchial tree, driven by the… Read Mapping and Variant Calling Lab: Coverage, Error Rate and Missed MutationsNew📱🟠Sequence a synthetic genome, map the reads, pile them up and call single-base variants. Move… Read-Pileup Variant Caller: Depth, Sequencing Error and Binomial Genotype Likelihood LabNew📱🟠Sequence a synthetic circular genome, pile the reads up and call SNVs with a multinomial… Rising Air Parcel Lab: Lifting Condensation Level, Lapse Rates, CAPE and Cumulus GrowthNew📱🟠Heat a patch of ground and watch a parcel of moist air rise: it cools dry-adiabatically,… Six-Axis Robot Arm: Jacobian Damped-Least-Squares IK, Singularity Walk and Ghost Trajectory LabNew📱🟠A six-joint industrial arm with exact forward kinematics, a geometric Jacobian and… Seedling Root-Zone Cross-Section: Water, Nutrient Uptake and Biomass Allocation LabNew📱🟠A 3D soil cut-away where a seedling grows from seed: roots search five soil layers for water… Solar Panel to Home Battery: Photon Cut-away, Single-Diode I-V Curve, MPPT and Energy FlowNew📱🟠Cut a solar module open: photons create electron-hole pairs at the p-n junction while a… Wildfire Front Lab: Rothermel Wind, Slope and Fuel-Moisture SpreadNew📱🟠Light a fire on a 2.4 km ridge-and-lake landscape and watch wind, slope and fuel moisture… Wind-Driven Ocean Gyres in 3D: Sverdrup Balance, Western Boundary Current and Heat Transport (Stommel Basin)New📱🟠A 3D ocean basin where wind stress curl drives subtropical and subpolar gyres. A beta-plane… Wind Turbine Cutaway: Drivetrain Power Chain and Farm Wake LossesNew📱🟠Cut open a 3 MW wind turbine and follow the wind's power through the rotor, a real… Wolf and Deer: Rosenzweig-MacArthur Cycles, Holling Response and a Live Phase PortraitNew📱🟠Individual wolves hunt individual deer on a golden steppe while the Rosenzweig-MacArthur… Hydroelectric Dam Cutaway: Reservoir Balance, Spillway Gates, Penstocks and Four Francis Units — 2D Section, Phase Plane and Turbine HillNew📱2D companion of the hydroelectric dam lab: a side cross-section with hydrostatic pressure… Oberth Effect Perigee Burn: Earth Flyby Gravity Assist Lab — 2D Orbit Map and Phase PlaneNew📱2D companion of the Oberth effect flyby lab: a top-down hyperbolic orbit map with asymptotes… Packet Path Diorama: Queues, Congestion and Adaptive Routing Lab — 2D Network Map and Queue Phase PlaneNew📱2D companion of the packet path diorama: a top-down network map with per-cable queues and… Protein Folding Funnel: 3D HP Cubic Lattice Levinthal Lab — 2D Funnel Cross-Section and Phase PlaneNew📱2D Canvas companion of the Protein Folding Funnel lab: a funnel cross-section with the… Rising Air Parcel Lab: Lifting Condensation Level, Lapse Rates, CAPE and Cumulus Growth — 2D Sounding and Phase PlaneNew📱2D companion of the rising air parcel lab: a side cross-section with the parcel, cloud and… Six-Axis Robot Arm: Jacobian Damped-Least-Squares IK, Singularity Walk and Ghost Trajectory Lab — 2D Side Section and Velocity EllipseNew📱2D companion of the six-axis robot arm lab: side cross-section and top-down maps with ghost… Solar Panel to Home Battery: Photon Cut-away, Single-Diode I-V Curve, MPPT and Energy Flow — 2D Cross-Section & I-V PlaneNew📱The 2D Canvas companion of the solar panel cut-away lab: a flat cross-section of the cell… Wildfire Front Lab: Rothermel Wind, Slope and Fuel-Moisture Spread — 2D Map and Cross-SectionNew📱2D companion of the wildfire front lab: a top-down fire map with the predicted Anderson… Wind Turbine Cutaway: Drivetrain Power Chain and Farm Wake Losses — 2D Torque Phase Plane and Wake MapNew📱2D companion of the wind turbine cutaway lab: a momentum stream-tube and power-chain… Wolf and Deer: Rosenzweig-MacArthur Cycles, Holling Response and a Live Phase Portrait — 2D Map and Phase PlaneNew📱2D companion of the wolf and deer predator-prey lab: a top-down arena map with detection,… Earth Mantle Convection: Rayleigh Number, Plumes and the Blankenbach BenchmarkNew📱🟠A cutaway slice of the Earth with a live thermal-convection solver in the mantle: raise the… Glacier Flow Lab: Glen's Law Flowline, Mass Balance and the Halfar CheckNew📱🟠A 20 km alpine glacier driven by the shallow-ice approximation and Glen's flow law: change… Tornado Vortex Anatomy: Burgers-Rott Core, Swirl Ratio and Debris LabNew📱🟠Build a tornado from peak wind, core size and swirl ratio: Burgers-Rott wind field,… Lightning Leader Lab: Fractal Branching and Flash-to-Bang Thunder DelayNew📱🟠Grow a lightning leader from a thundercloud with the dielectric breakdown model (growth… Aquifer Cutaway: Dupuit Water Table, Well Drawdown and River Baseflow LabNew📱🟠A 1000 m cross-section of an unconfined sand-gravel aquifer solved live with the Boussinesq… Emperor Penguin Dive Lab: Breath-Hold, Buoyancy and Foraging Trips Beneath the IceNew📱🟠Steer one emperor penguin on a foraging trip in a split above/below-water polar scene: swim… Realistic Candle Burning in a Dark Room: 3D Wax, Flame and Smoke LabNew📱🟠🎨 FigmaA candlelit study at dusk: a hand-poured candle in a brass dish on an oak desk, with a… English Canal Simulator: Operate a Narrowboat LockNew📱🟠🎨 FigmaWork a stone narrow-canal lock by hand: wind the paddles, fill and drain the chamber (Q = Cd… Hive Helpers: Waggle Dance, Nectar and Honey LabNew📱🟠Watch a scout bee waggle-dance on a low-poly honeycomb floor, decode the angle (relative to… English Castle Simulator: Drawbridge Counterweight, Moat Balance and Gate ArchNew📱🟠🎨 FigmaWalk around a generic moated English castle and find out how heavy a counterweight must be… Stonehenge Simulator: Solstice Sunrise and Sunset AlignmentNew📱🟠🎨 FigmaWatch the Sun rise and set over a mid-poly Salisbury Plain Stonehenge on the equinoxes and… English Lighthouse Simulator: Fog, Waves and Range of a LightNew📱🟠🎨 FigmaRun a Cornish headland lighthouse at dusk: change fog and waves and see which ships can… English Steam Engine SimulatorNew📱🟠🎨 FigmaDrive a fictional English 4-6-0 steam locomotive up a moorland branch line: work the… English Watermill Simulator: Millpond, Gears and MillstonesNew📱🟠🎨 FigmaRun a village watermill: open the sluice, keep the wheel steady as the millpond drains, gear… Dinosaur Park Builder Tycoon: Fences, Paddocks and Visitor QueuesNew📱🟠🎨 FigmaBuild a low-poly dinosaur park: fence paddocks, lay paths, add a T-Rex, Triceratops and a… Candle by the Window: Wax Flow, Breeze and Cinematic Still-Life LabNew📱🟠🎨 FigmaA cinematic night still-life: a hand-poured candle in a ceramic holder on an oak table… English Garden: Grow a Little Piece of EnglandNew📱🟠🎨 FigmaTend a mid-poly English cottage garden through four seasons: plant 18 species, check sun… English Longcase Clock: Pendulum & Escapement SimulatorNew📱🟠🎨 FigmaWind a brass-movement grandfather clock, turn the rating nut and watch seconds per day… Farm Valley Builder: Low-Poly Barn, Crops and AnimalsNew📱🟠🎨 FigmaBuild a low-poly farm valley: fence pastures, plant wheat, maize, potatoes and sunflowers by… Island Homestead Adventure: Low-Poly Coastal BuilderNew📱🟠🎨 FigmaExplore a low-poly coastal island with a kid explorer and a dog: gather wood and stone,… Orbital Station Explorer: Build, Power and Dock in Low Earth OrbitNew📱🟠🎨 FigmaSnap modules onto a space station 420 km up, keep it powered through the 36-minute eclipse,… Stonehenge Moon and Stones: Lunar Standstills and Raising a TrilithonNew📱🟠🎨 FigmaWatch the Moon rise over a mid-poly Salisbury Plain Stonehenge and scrub the 18.6-year lunar… Twilight Pumpkin Patch: Harvest and Craft WorkshopNew📱🟠🎨 FigmaA cosy, never-scary autumn adventure in a low-poly twilight valley: plant and water pumpkins… Winter Holiday Village Builder: Snow, Lights and Night MarketNew📱🟠🎨 FigmaBuild a cosy snowy holiday village: place cottages, a clock tower, market stalls, a skating… Bridge Builder Junior: Trusses, Arches & Load TestsNew📱🟠Build a pin-jointed wood or steel truss across a brook and a stream, then roll an 8-tonne… Coral Reef Doctor: Help the Reef Stay HealthyNew📱🟠Be a reef doctor: check light, heat and pH on a 3D coral slope, meet the grazers, clownfish… Kids' Green City Builder: Water, Power and Traffic FlowNew📱🟠Build a small green town in low-poly 3D: draw roads, place homes, a water tower, solar, wind… Savanna Balance Safari: Food Web and Energy Pyramid LabNew📱🟠Plant grass and acacias, dig waterholes, release zebras and a lion pride, and keep a… Volcano Island Watch: Magma Chamber, Monitoring and Eruption LabNew📱🟠Be the young volcanologist on a tropical island: read the seismometer, tilt meter and gas… Water Cycle Valley: Rain, River and Lake DioramaNew📱🟠Turn the Sun, climate and wind dials on a low-poly 3D valley and watch the water cycle: the… Eclipsing Binary Solver: Weighing Two Stars from Light and VelocityNew📱🟠Weigh two stars the way astronomers do: fit the eclipse light curve and the two… Forest Four Seasons: Leaves, Light, Soil & CarbonNew📱🟠Watch one hectare of low-poly broadleaf forest through a whole year: buds open, the canopy… Hydropower Dam Valley: Reservoir, Turbines & Fish LadderNew📱🟠Be the keeper of a hydropower dam: make light for the village, keep the lake below the top… Involute Gear Mesh Lab: Contact Ratio, Tooth Stress & Transmission ErrorNew📱🟠Mesh two involute spur gears and watch the line of action, how many tooth pairs share the… Liquid Jet Breakup Lab: Rayleigh–Plateau Instability, Drop Size & SatellitesNew📱🟠A stroboscopic lab bench: a thin liquid jet leaves a glass nozzle, a piezo vibrator ripples… Mars Rover Explorer: Traction, Power, Delay & Sample MissionsNew📱🟠Plan a whole sol for the six-wheeled rover Pebble, send it over a radio link that takes up… Penguin Colony Winter: Huddle, Egg & Blizzard LabNew📱🟠Help a fictional emperor-penguin colony through a low-poly winter: set how tightly the birds… Radiative-Convective Column: Why CO2 Warms the SurfaceNew📱🟠A 40-layer column of atmosphere finds its own equilibrium: change CO2 and humidity and watch… Rainforest Layers Explorer: Canopy Light & Nutrient CycleNew📱🟠A 3D cut-away of a rainforest plot in four layers. Lower a light probe and watch sunlight… Renewable Energy Island: Wind, Sun, Batteries & the Island GridNew📱🟠Power a small low-poly island with wind turbines, tilting solar arrays and batteries. Pick… Rotor Run-Up Lab: Critical Speed, Unbalance Response & BalancingNew📱🟠Spin a steel shaft with a disc up through its critical speed: watch the orbit, Bode and… Shock Tube Lab: Euler Solver, Exact Riemann Solution & SchlierenNew📱🟠A glass shock tube on a lab bench: open the diaphragm and watch a shock, a contact… Simple Machines Workshop: Levers, Pulleys, Gears & ContraptionsNew📱🟠A cosy workshop with seven working simple machines: lever, ramp, pulley, gears, wheel and… Butterfly Metamorphosis Macro: Wing-Scale Colour, Flight and Host PlantsNew📱🟠A macro 3D studio for the monarch butterfly for kids 8+: all four life stages from egg to… Cloud Lab: How Clouds and Thunderstorms FormNew📱🟠Launch an air bubble from a field, a forest or a lake and watch it cool 9.8 °C per… Dendritic Integration Lab: Cable Theory, NMDA Spikes & Coincidence DetectionNew📱🟠Solve the cable equation on a branched neuron: click dendrites to place AMPA, NMDA and GABA… Inside a Mechanical Watch: Photoreal Movement ExplorerNew📱🟠Explore a generic hand-wound mechanical watch movement in 3D: wind the mainspring, follow… Inside the Eye: How We SeeNew📱🟠A museum-style cutaway of the human eye with real optics: orange light rays bend at four… Inside the Heart: A Friendly Journey Through the Beating HeartNew📱🟠A friendly 3D journey inside the beating heart for kids 8+: four rooms, one-way doors, the… Outbreak Chains: Superspreading, Overdispersion and Contact TracingNew📱🟠A stochastic branching-process lab: watch a transmission tree grow over a low-poly town,… T-Rex Skeleton & Muscles: How a Giant Predator MovedNew📱🟠A museum-style 3D Tyrannosaurus skeleton (Blender-built, about 160k triangles): take it… Total Solar Eclipse Macro: Corona, Baily's Beads & Diamond RingNew📱🟠Drag a timeline from first to last contact of a total solar eclipse as seen from a hill: the… Tower Bridge Simulator: Lift the Bascules, Pass the ShipsNew📱🟠🎨 FigmaA Victorian Gothic bascule bridge in the style of London's Tower Bridge: balance the… Cloud Forest EstateNew📱Explore the ecosystem of a cloud forest estate, controlling factors like humidity and… White Stork Nest at Sunrise: Thermal Soaring, Migration and Village LabNew📱🟠🧊⚫A white-stork pair and three chicks on a twig nest above a Ukrainian village at sunrise:… Gratitude JournalNew📱Gratitude journaling made simple — write 3 things you are grateful for each day, track your… Search Space Analysis: Mathematics of Hyperparameter SpacesNew📱Learn about search space analysis in hyperparameter optimization. Understand dimensionality,… Wildfire Propagation Through Forested TerrainNew📱🟠This simulation models the propagation of wildfires, demonstrating factors such as wind… Plasma Dynamics SimulationNew📱This simulation demonstrates the behavior of plasma – an ionized gas – exploring phenomena… Renewable-Energy-Energy-Storage-LabNew📱This simulation investigates the role of energy storage systems in renewable energy. It… Magic Sand & Smoke📱Draw with the mouse to create sand, smoke, fire or water. Cellular automaton with gravity,…