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Physics Fundamentals

Physics,
Playable.

25 free browser games built on real physics equations. No downloads. No accounts. Just play — and learn why things move the way they do.

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Classical Mechanics
x = v₀cosθ·t

Gravity Lab

Beginner

Projectile motion mastery

Launch projectiles, manipulate gravity, and solve 9 increasingly complex puzzles. Real kinematics — every shot follows actual equations.

Projectile motion · Elastic collisions · SHM · Air drag

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Gravitation
v = √(GM/r)

Orbital Mechanic

Intermediate

Master orbital velocity

Launch satellites into stable orbits. Too fast and you escape — too slow and you crash. Discover Kepler's laws through direct control.

Orbital velocity · Kepler's laws · Gravitational force

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Waves & Oscillations
T = 2π√(L/g)

Pendulum Master

Beginner

Swing through harmonic motion

Control pendulum length and release angle to knock targets. Multi-pendulum chains reveal resonance, energy transfer, and period independence.

Simple harmonic motion · Period · Energy conservation

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Classical Mechanics
m₁v₁ + m₂v₂ = const

Collision Lab

Intermediate

Elastic & inelastic impacts

Set mass, velocity and elasticity — then land balls in exact target zones using momentum transfer. Elastic to perfectly inelastic collisions.

Conservation of momentum · Kinetic energy · Restitution

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Waves & Optics
y = A·sin(kx − ωt)

Wave Interference

Intermediate

Superposition & resonance

Place wave sources on a 2D field and watch interference patterns emerge. Hit the resonance zone using constructive interference.

Wave superposition · Interference · Frequency · Amplitude

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Thermodynamics
KE = ³⁄₂kT

Thermal Escape

Advanced

Heat particles to escape velocity

Control the temperature of a gas — particles must reach escape velocity to break free. Watch Maxwell-Boltzmann distributions shift.

Kinetic theory · Maxwell-Boltzmann · Thermal velocity

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Electromagnetism
V = IR · P = IV

Circuit Builder

Intermediate

Voltage, current & resistance

Drag and connect resistors, capacitors, and batteries to light up bulbs at target voltage. From basic Ohm's law to RC circuit puzzles.

Ohm's law · Series/parallel · Power dissipation

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Waves & Optics
n₁sinθ₁ = n₂sinθ₂

Optics Puzzle

Advanced

Bend light to hit the target

Place mirrors, prisms and lenses to redirect a laser to a target. Reflection, refraction and focal length puzzles up to multi-lens systems.

Snell's law · Reflection · Lens equation

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Kinematics
v_t = √(2mg / ρC_dA)

Free Fall Race

Beginner

Terminal velocity & drag

Drop objects of different shapes and densities in air or vacuum — predict landing order. Adjust drag coefficient to reach the target time.

Free fall · Terminal velocity · Drag force · Stokes' law

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Classical Mechanics
KE + PE = E_total

Energy Converter

Advanced

Conservation of energy puzzles

Route a ball through ramps, springs, and heights to arrive at the exit with exactly the required energy. Every joule is conserved — or lost to friction.

Conservation of energy · Gravitational PE · Spring PE

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Electromagnetism
E = kQ/r²

Electric Field Sculptor

Intermediate

Place charges, steer the field

Place positive and negative charges to steer a test particle through obstacles to the goal. Real Coulomb's law physics, computed live every frame.

Coulomb's law · Electric fields · Superposition

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Classical Mechanics
m₁v₁ + m₂v₂ = const

Momentum Billiards

Beginner

Real physics, real pockets

Physics-accurate 2D billiards. Drag to aim, release to shoot — elastic and inelastic collisions decide where every ball ends up.

Conservation of momentum · Elastic & inelastic collisions

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Waves & Optics
n₁sinθ₁ = n₂sinθ₂

Refraction Racer

Intermediate

Beat the clock with Snell's law

Aim a light ray through layered media before time runs out. Match Snell's law and you land in the goal — including a total internal reflection level.

Snell's law · Refractive index · Total internal reflection

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Modern Physics
N(t) = N₀ × (1/2)^(t/T½)

Half-Life Detective

Intermediate

Read the curve, name the isotope

A real decay curve builds live on screen — find where it crosses 50% and match it to the correct isotope, from a 6-hour medical tracer to a 4.5-billion-year dating standard.

Radioactive decay · Half-life · Exponential decay law

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Classical Mechanics
T = 2π√(m/k)

Spring Symphony

Intermediate

Tune every spring to its target beat

Solve T = 2π√(m/k) for the missing spring constant or mass, then watch the live oscillation confirm you hit the target rhythm exactly — ending in a two-spring chord.

Hooke's law · Simple harmonic motion · Period of oscillation

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Classical Mechanics
σ = 3WL/2wh²

Bridge Builder Physics

Advanced

Real stress. Real failure.

Choose a material and beam height so bending stress stays below yield strength, using σ = 3WL/2wh² — while using as little material as possible.

Stress & strain · Bending moment · Yield strength

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Classical Mechanics
v = √(GM/r)

Satellite Slingshot

Advanced

Real gravity assists, minimum fuel

Launch with one burn, let a planet's own gravity add real extra speed for free, and reach the target ring using as little fuel as possible — the same trick NASA uses.

Gravity assists · Orbital mechanics · Two-body gravitation

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Classical Mechanics
F₁/A₁ = F₂/A₂

Fluid Pressure Puzzle

Intermediate

Pascal's law meets Archimedes

Size hydraulic lifts using Pascal's law and predict floating objects using Archimedes' principle — ending in a level that needs both together.

Pascal's law · Archimedes' principle · Buoyancy

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Electromagnetism
EMF = −dΦ/dt

Lenz's Law Challenge

Intermediate

Predict the current before time runs out

A magnet falls through conducting rings — predict the induced current direction at every approach and departure, before time runs out.

Faraday's law · Lenz's law · Electromagnetic induction

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Waves & Optics
f_n = (n/2L)√(T/μ)

Standing Wave Tuner

Intermediate

Tune the tension, hit the harmonic

Adjust string tension until the standing wave locks onto a target harmonic frequency — watch the wave pattern update live as you experiment.

Standing waves · Harmonics · Wave speed on a string

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Modern Physics
T = 16(E/V₀)(1−E/V₀)e^(−2κL)

Quantum Tunneller

Advanced

Cross the classically impossible barrier

Adjust particle energy until quantum tunnelling probability through a barrier hits the target — a real, calculable chance of doing the classically impossible.

Quantum tunnelling · Wavefunctions · Barrier penetration

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Vectors
H = D − W − C

Vector Voyage

Beginner

Chart the heading that beats the wind

Navigate a ship to an exact destination through wind and current — solve H = D − W for the heading, then watch your resultant path play out.

Vector addition · Vector subtraction · Resultant motion

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Thermodynamics
η_max = 1 − T_cold/T_hot

Carnot Engine Optimiser

Advanced

Push efficiency to the limit — not past it

Design a heat engine's efficiency to maximize work output, without ever exceeding the theoretical Carnot limit. Try to cheat the second law and get caught instantly.

Carnot efficiency · Second law of thermodynamics · Heat engines

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Waves & Optics
f = f_source × v_sound/(v_sound ∓ v_source)

Doppler Dash

Intermediate

Tune the speed, shift the pitch

Adjust a moving sound source's speed until the observed frequency hits the target — watch compressed and stretched wavefronts animate live.

Doppler effect · Wave propagation · Relative motion

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Modern Physics
BE/A = f(Z, A)

Nuclear Chef

Advanced

Cook up the most stable nucleus

Choose protons and neutrons to build nuclei, predicting binding energy via the semi-empirical mass formula — finishes with a real Uranium-235 fission demo.

Nuclear binding energy · Semi-empirical mass formula · Fission & fusion

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Physics Education Games

Learn physics by playing it

Every game here runs on real physics equations — not approximations, not cartoon physics. When your satellite stabilises at the right altitude, you have understood Kepler's third law. When your pendulum hits every target, you have felt what period independence really means.

Why physics games work

Traditional physics education asks you to memorise equations first and build intuition second. Physics games invert this — you develop physical intuition through dozens of interactive experiments, and equations become a natural language for something you have already felt.

Each game here is designed around a single core concept, introduces it through play across 8–10 levels, then links to the full article where the mathematics is derived and explained.

What each game teaches

Gravity Lab

Launch projectiles, manipulate gravity, and solve 9 increasingly complex puzzles. Real kinematics — every shot follows actual equations.

Projectile motion · Elastic collisions · SHM · Air drag
Orbital Mechanic

Launch satellites into stable orbits. Too fast and you escape — too slow and you crash. Discover Kepler's laws through direct control.

Orbital velocity · Kepler's laws · Gravitational force
Pendulum Master

Control pendulum length and release angle to knock targets. Multi-pendulum chains reveal resonance, energy transfer, and period independence.

Simple harmonic motion · Period · Energy conservation
Collision Lab

Set mass, velocity and elasticity — then land balls in exact target zones using momentum transfer. Elastic to perfectly inelastic collisions.

Conservation of momentum · Kinetic energy · Restitution
Wave Interference

Place wave sources on a 2D field and watch interference patterns emerge. Hit the resonance zone using constructive interference.

Wave superposition · Interference · Frequency · Amplitude
Thermal Escape

Control the temperature of a gas — particles must reach escape velocity to break free. Watch Maxwell-Boltzmann distributions shift.

Kinetic theory · Maxwell-Boltzmann · Thermal velocity
Circuit Builder

Drag and connect resistors, capacitors, and batteries to light up bulbs at target voltage. From basic Ohm's law to RC circuit puzzles.

Ohm's law · Series/parallel · Power dissipation
Optics Puzzle

Place mirrors, prisms and lenses to redirect a laser to a target. Reflection, refraction and focal length puzzles up to multi-lens systems.

Snell's law · Reflection · Lens equation
Free Fall Race

Drop objects of different shapes and densities in air or vacuum — predict landing order. Adjust drag coefficient to reach the target time.

Free fall · Terminal velocity · Drag force · Stokes' law
Energy Converter

Route a ball through ramps, springs, and heights to arrive at the exit with exactly the required energy. Every joule is conserved — or lost to friction.

Conservation of energy · Gravitational PE · Spring PE
Electric Field Sculptor

Place positive and negative charges to steer a test particle through obstacles to the goal. Real Coulomb's law physics, computed live every frame.

Coulomb's law · Electric fields · Superposition
Momentum Billiards

Physics-accurate 2D billiards. Drag to aim, release to shoot — elastic and inelastic collisions decide where every ball ends up.

Conservation of momentum · Elastic & inelastic collisions
Refraction Racer

Aim a light ray through layered media before time runs out. Match Snell's law and you land in the goal — including a total internal reflection level.

Snell's law · Refractive index · Total internal reflection
Half-Life Detective

A real decay curve builds live on screen — find where it crosses 50% and match it to the correct isotope, from a 6-hour medical tracer to a 4.5-billion-year dating standard.

Radioactive decay · Half-life · Exponential decay law
Spring Symphony

Solve T = 2π√(m/k) for the missing spring constant or mass, then watch the live oscillation confirm you hit the target rhythm exactly — ending in a two-spring chord.

Hooke's law · Simple harmonic motion · Period of oscillation
Bridge Builder Physics

Choose a material and beam height so bending stress stays below yield strength, using σ = 3WL/2wh² — while using as little material as possible.

Stress & strain · Bending moment · Yield strength
Satellite Slingshot

Launch with one burn, let a planet's own gravity add real extra speed for free, and reach the target ring using as little fuel as possible — the same trick NASA uses.

Gravity assists · Orbital mechanics · Two-body gravitation
Fluid Pressure Puzzle

Size hydraulic lifts using Pascal's law and predict floating objects using Archimedes' principle — ending in a level that needs both together.

Pascal's law · Archimedes' principle · Buoyancy
Lenz's Law Challenge

A magnet falls through conducting rings — predict the induced current direction at every approach and departure, before time runs out.

Faraday's law · Lenz's law · Electromagnetic induction
Standing Wave Tuner

Adjust string tension until the standing wave locks onto a target harmonic frequency — watch the wave pattern update live as you experiment.

Standing waves · Harmonics · Wave speed on a string
Quantum Tunneller

Adjust particle energy until quantum tunnelling probability through a barrier hits the target — a real, calculable chance of doing the classically impossible.

Quantum tunnelling · Wavefunctions · Barrier penetration
Vector Voyage

Navigate a ship to an exact destination through wind and current — solve H = D − W for the heading, then watch your resultant path play out.

Vector addition · Vector subtraction · Resultant motion
Carnot Engine Optimiser

Design a heat engine's efficiency to maximize work output, without ever exceeding the theoretical Carnot limit. Try to cheat the second law and get caught instantly.

Carnot efficiency · Second law of thermodynamics · Heat engines
Doppler Dash

Adjust a moving sound source's speed until the observed frequency hits the target — watch compressed and stretched wavefronts animate live.

Doppler effect · Wave propagation · Relative motion
Nuclear Chef

Choose protons and neutrons to build nuclei, predicting binding energy via the semi-empirical mass formula — finishes with a real Uranium-235 fission demo.

Nuclear binding energy · Semi-empirical mass formula · Fission & fusion

Frequently asked questions

Are all games free?↓
Yes — completely free, forever. No account, no subscription, no ads. Physics Fundamentals is a free educational platform.
Do they work on mobile?↓
Yes. Every game has full touch support and responsive layout. Any modern browser on phone, tablet or desktop works.
Are the physics simulations accurate?↓
Every simulation uses real physical equations — the same ones taught in high school and university physics. Values are scaled for gameplay but the relationships between variables are exact.
What physics knowledge do I need?↓
None to start. Beginner games assume zero prior knowledge. Intermediate and Advanced games build on intuition from the earlier ones.
Can I use these in a classroom?↓
Yes — each game page includes full physics explanations, equations, and article links. They are designed to complement physics courses at high school and introductory university level.

Physics Fundamentals

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