Free Physics Games

Every game here runs on real physics: gravity of 9.81 m/s², air drag that grows with the square of speed, friction, springs, buoyancy and orbits. Throw, build, launch and break things and feel how the world really behaves.

22 games, all free, no download and no sign-up, on phones and computers.

  1. Notebook Pinball: Flippers, pop bumpers, a ramp, a black hole and multiball, all drawn by hand on a notebook page. The steel ball rolls like the real thing.
  2. Throw a Paper Plane: Fold a Dart, a Nakamura Lock or a long-wing glider, then throw it across a hand-drawn town. Real lift, drag and stalls.
  3. Gravity Golf: Mini golf where planets bend every shot. Slingshot around moons, dodge black holes and sink 18 holes.
  4. Draw a Sled Track: Draw hills, jumps and loops, then watch a sledder ride them with real gravity, friction and spectacular wipeouts.
  5. Stack It: Build the tallest tower on a desk from real-size books, mugs and ducks. Real physics, slow-motion collapses, 12 puzzles.
  6. Blow a Soap Bubble: Blow soap bubbles whose colours come from real thin-film physics. Bounce them on a wool glove, nest one inside another, bottle one past the thorns.
  7. Land the Rocket: Bring an orbital booster home: time the hoverslam, steer with the engine, pop the legs, and land on a pad, a ship, the Moon or Mars.
  8. Topple the Dominoes: Draw a pencil path, watch dominoes plonk down along it, then tap the first and follow the wave. Ring bells, climb stairs and topple a giant.
  9. Swing Across: An endless rope-swinging run across notebook pages pinned to a corkboard. Real pendulum physics, flips and perfect releases.
  10. Pour It Perfectly: A real particle fluid, painted in watercolour. Fill each glass to its line: teapots, funnels, honey, oil, ice and colour mixing.
  11. Bend the Light: Steer a beam with mirrors, split it, filter it, and fan white light into a real rainbow with a prism. Twenty hand-drawn puzzles.
  12. Will It Hold?: A bridge building puzzle with real physics. Wood buckles, steel bends, rope only pulls. Sixteen gaps, one paper truck.
  13. The Harmonograph: Set two pendulum lengths and watch real physics draw lace-like figures. Find the octave, the fifth, the fourth, then save a print.
  14. Trick Shot Pool: Ten trick-shot tables with real billiard physics: balls slide then roll, and spin decides where the white goes.
  15. Keep Them Orbiting: Build your own solar system with real gravity. Every orbit plays a note, so a stable system becomes music.
  16. Pop the Popcorn: A chain-reaction puzzle in a hot pan: every pop heats its neighbours. Clear the pan with as few taps as possible.
  17. Paper Toss: The office classic with real physics: air drag, wind from the fan and rattling rims.
  18. Build a Trebuchet: A real-physics trebuchet: tune the counterweight, sling and release angle, then flatten six paper castles.
  19. Fly a Hot-Air Balloon: Burn to rise, vent to sink, and ride layered winds to land on the X. Real buoyancy from the ideal gas law.
  20. Egg Drop: Design an egg drop contraption on a budget and drop it from 2 m to 330 m. See the force on the egg in newtons.
  21. Make Sand Sing: A brass Chladni plate covered in sand. Tune it, draw the bow, and watch the sand gather on the nodal lines. 16 figures to find, then a round plate with 16 more.
  22. The Butterfly Effect: Drag a double pendulum, then let go of 1,000 of them a billionth of a degree apart. Watch them bloom, meet Lorenz’s butterfly and try to forecast chaos.

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