Arrange blocks to translate, rotate and reflect your way through puzzles in this game about geometric transformations for middle school students.

In Project Hercules, you play Astrid, an astronomer in the distant future, working to identify objects in the night sky and uncover the mystery of an impending celestial event.

Faced against a potential competitor, will you choose to cooperate… or cheat? Explore the game theory behind how and why we trust each other.

Why do some crowds turn to madness, or wisdom? The study of Network Science can guide us! To understand crowds, we should look not at the individual people, but at their connections

Travel around the world with Plato to learn about building healthy meals. Eat avocado toast in Australia, baobab fruit in Benin, and sautéed reindeer in Finland! Yum! Be sure to meet your daily nutritional needs while not going over your budget!

Discover the wonders of geology and the Rock Cycle! Join DocDuck and Elico on a journey through Igneous, Sedimentary and Metamorphic rocks!

Play as a space-faring entrepreneur, and learn how to run your own business while you explore new planets, excavate resources, and build robots for fun and profit!

Play mini golf on planetary greens with sub-atomic golf balls! Guide proton golf balls through the magnetic and electric fields to sink the putt.

Carefully position current-carrying wires to produce a magnetic field pattern to guide your proton bowling ball to knock down all the pins. No gutter balls allowed!

Choice, strategy, balance, and . . . water equity? Parts of the planet are struggling to get enough water. Use each region's wealth to build pipes, desalinate water, and conduct research to bring water where it's needed most.

Players will take on the role of “citizen scientists” as they explore Henry David Thoreau’s contributions to our scientific understanding of the environment at Walden Pond and the effects of climate changes on that environment over the past 150 years.

Play as Henry David Thoreau and engage with historical and modern questions of slavery, abolition, and freedom, discovering the power of civic actions that are authentic, responsible, and informed.

Playing as Henry David Thoreau, players take a mindful walk around Walden Pond, stopping to appreciate the virtual environment around them. As they explore, they will cultivate skills for being “awake” in the present moment.

Explore the woods as Henry David Thoreau, seeking traces of the individuals and groups who lived in the area before and during his time there and reflecting on the stories in our histories that are not always told.

Play as Henry David Thoreau as you attend to his basic needs of life in the woods, exploring his thoughts on self-reliant living and his critique of materialism in early industrial society in America.

Morphy and his fellow alien crew have crash-landed on a foreign planet! Guide Morphy in meeting creatures with external traits that will help him survive this strange new world, save the missing crew, and re-build their ship!

Follow the trail of the life cycle of single-use plastics, and uncover policies that can plug pollution leaking into our oceans.

Our hero, the titular Shocktopus, is out for revenge against the Magnetic Yeti. Zoom across electric fields, twist through magnets, and use conductors to bend the world to your will.

Solve puzzles using the power of angles to unlock gems, collect trophies and escape the jungle!

Play as an all star agent team that works together to de-escalate disinformation threats made by The Divider, The Misleader, and The Bot Master in ...

Manage your farm, build community and create balance with nature and water. Can your farm survive in challenging times?

Velocity Raptor must travel near the speed of light to save the world! Take on an adventure in 2+1 dimensions, in the the Lair of relativity

A challenging, fun card game that helps students learn about their rights under the Bill of Rights, the first 10 amendments to the Constitution.

We all love eating, but what about making food? Have you mastered the kitchen practices that keep you safe?

The year is 1774 in Colonial Williamsburg, can you uncover where loyalties lie?

Travel back in time as a photographer in Mission to the Mesozoic! Explore the Triassic, Jurassic, and Cretaceous periods, capturing photos and discovering connections between ancient flora and fauna.

Manage a park and balance the needs of animal life, plant life, tourism, and finances. Make smart choices to keep your park thriving in EcoKingdoms!

Improve your typing speed and accuracy in this action-packed game! Type words to fire plasma bullets and destroy enemy ships while fending off wave...

Dive into the fascinating world of waves! Wiggle the string to create waves, or tweak the frequency and amplitude of an oscillator to explore wave ...

Learn how to calculate and compare unit rates while shopping for groceries or racing cars! Use double number lines to solve real-world problems and...

You're the captain of our Fiscal Ship! Can you steer the federal budget towards smooth sailing, or will you head into stormy waters?

It’s lunch time and Tami, the golden lion tamarin, is hungry! Help Tami reach the delicious fruit by building a tower. But watch out! Other animals...

Explore the states of matter by heating, cooling, and compressing atoms and molecules. Watch as solids melt, liquids boil, and gases condense while...

Explore projectile motion by launching objects from a cannon! Adjust factors like angle, speed, and height to see how they affect the object's traj...

Experiment with pendulums to uncover what affects their swing! Test variables like length, mass, and angle, and even calculate gravity on an unknow...

Discover how light interacts with molecules in our atmosphere! Explore how different types of light, from microwaves to ultraviolet, cause molecule...

Test your knowledge of solids, liquids, gases, and plasmas in Matter Sorter! Quickly sort falling objects into the right bins before time runs out, and learn about the fascinating world of plasmas along the way.

Explore the world of linear equations and graphs! Investigate the relationships between slope, equations, and graphs, and challenge yourself in the...

Explore the fascinating evolutionary journey of birds in Flap to the Future. From feathered dinosaurs to futuristic flying creatures, discover how flight evolved over millions of years through fun gameplay and scientific insight.

Explore the conservation of energy with a skater! Build your own ramps and tracks while learning how kinetic and potential energy affect the skater...

Mix chemicals with water and watch the solution change color as its concentration increases. Experiment with volume and solute to see how concentra...

Mix red, green, and blue light to create a rainbow! Explore how different colored filters affect light and discover how various light combinations ...

In Circuit Construction Kit: DC, experiment with basic electricity by using tools like ammeters and voltmeters to measure current and learn how electricity flows in both series and parallel circuits.

Explore how light bends as it passes between different materials and create rainbows with prisms of various shapes. Experiment with bending light a...

Become a wildlife DJ with BeastBox, mixing animal voices with beatbox loops to create your own music inspired by nature. Unlock Beast Mode by exploring ecosystems and adding their unique sounds!

Develop your number sense in Battleship Numberline, the fun and engaging way to practice whole numbers, fractions, and decimals. Estimate positions on a number line, collect stars, and explode ships while learning critical math skills!

Learn about balance by experimenting with objects on a teeter totter! Predict how different masses and positions affect the plank's motion, and tes...

Build shapes with colorful blocks and explore the concepts of area and perimeter! Play the game to find the area of funky figures or create your ow...

Learn the hidden “tricks of the loan trade” as you play the role of a loan shark and try to maximize your profits.

Help ambitious magician Enzo manage his budget, reach his savings goal, and take his show to Vegas!

Explore the basics of credit and debt with this free financial game where you feed cute, hungry cats. But watch out—they multiply quickly!

Shape the future of a new society while recognizing ethical issues and making decisions based on evidence and differing points of view.

The battle is on in this ratio-building game. Out-compete your opponents by making powerful potions.

Navigate the number line while diving amidst sunken ruins. Will you find a pearl or an old boot? Watch out for the electric eel!

Use a team of heroes to research, educate, heal, and protect people. Can you keep your community from getting sicker?

Combine little monsters to make as few trips as possible as you drive around the neighborhood on your monster school bus!

Greedy explorers have stolen treasures from seven ancient sites, and cursed the world! Find the treasure and return it to reverse the curse.

Explore creepy, spooky or scary caves that are home to creatures with various numbers of eyes, horns, brains, and limbs.

Shadows are corrupting the land. Restore the balance of nature by exploring place value. Battle shadowy monsters and release the light within.

Agrinautica immerses players in imaginative worlds where they build skills with numerical and algebraic expressions and patterns. In the game, players “terraform” planets by structuring expressions in various ways.

Stop hungry gophers from eating a prized carrot! Place carrot launchers at strategic locations by graphing values on a coordinate plane.

Advise the president through major moments in US history.

Run your own presidential campaign to find out if you can Win the White House.

Drop into 1787, where the ink is still drying on the new Constitution. Will it become the law of the land or will it fall into the dustbin of history?

Can you make it as a News Feed Defender? You'll have to outlaw viral deception, detect hidden ads, and banish false reporting!

Meet with your neighbors, make a plan, and do some Neighborhood Good.

As a member of the U.S. Congress, you'll draft a bill on an issue you believe in, then take it through the full law-making process!

Can you choose who should become citizens of the US? In Immigration Nation, find out as you guide newcomers along their path to citizenship!

Step into the President's shoes! Do your best to run a government while keeping the country's citizens healthy and safe.

Run your own constitutional law firm! Match clients with lawyers who can meet their needs. The more cases won, the faster your firm grows!

Help people around the U.S. navigate our court system. Listen carefully to each case, so you can guide them to the right place!

Can you run your county? You'll have to help fellow-citizens while managing taxes and local emergencies. Plus, keep an eye on reelection!

Can you run your county? You'll have to help fellow-citizens while managing taxes and local emergencies. Plus, keep an eye on reelection!

Do you like running things? Do something no one else can, and run all three branches of the U.S. Government. But what will the public think?

Ever tried to win a disagreement? In Argument Wars, you will try out your persuasive abilities by arguing a real Supreme Court case. The other lawy...

Do you have what it takes to be an informed voter? It all depends on whether you can uncover information about issues and candidates!

From taxes to spending, can you create and balance the budget for a whole country?

Travel back in time to the writing of the U.S. Constitution and see how the compromises from our founding fathers could have gone differently.

You're president of the United States.. Can you work with your National Security Council to make the right decisions on foreign policy?

You can code! Build a simple computer application by programming “tag” blocks to reach your target – no typing required. (Not compatible with IE8)

Test your addition skills and speed! Destroy falling sum blocks by clicking on connected digit blocks. Add fast, or the sum blocks will stack up!

Test your speed and skills! Click on connected factor blocks to destroy the falling product block. Think quickly, or time will run out!

This town-building game teaches complex systems. Made in partnership with the Scalable Systems Lab at UW-Madison. Played by thousands of kids a month.

This award-winning game turns kids into history detectives! Made in partnership with PBS Wisconsin and archivists at the Wisconsin Historical Society.

Explore atomic bonds. Change states of matter by adjusting temperature and pressure in this simulation that demonstrates how atoms move and bond.

Can you defeat multiplying bacteria with an antibiotic dose? It sounds easy, but remember--whatever doesn't kill bacteria makes it stronger!

Your pals find a mysterious wave combinator in the yard, but can you figure out how waves interact? And just what is amplitude, anyway?

How good are you at predictions? Can you figure out when—and how powerfully—an earthquake will hit Square City? Triangulation is the key!

Can you fly a janky air balloon using your knowledge of air pressure and gravity? Watch out for when the birds come flapping by!

Can you find buried magnets, working on the idea that opposites attract? Your tool kit has compasses, iron filings and secret magnetic film!

Can you control nitrogen and move it from plants to deer to clouds? You'll have to watch out for a tricky opponent!

Can you move water from the ocean to the sky--and then back again? The Water Cycle game shows you how, but there's a tricky opponent!

In this simple puzzle game players try their hand at arranging molecules with different shapes and properties into an ordered, stable configuration.

Can you master the original shape-shifter, the Carbon Cycle? Transform carbon from water to sky to land--before your tricky opponent does!

Can you defeat multiplying bacteria with an antibiotic dose? It sounds easy, but remember--whatever doesn't kill bacteria makes it stronger!

This space adventure brings mathematical modeling straight to the classroom. Made in partnership with the UW-MRSEC research center.

Play as a young scientist faced with scientific challenges across multiple oceanic ecosystems. Made in partnership with Harvard and the Penn Center for Learning Analytics. Funding provided by NSF

Play as a young journalist covering events as they unfold in the fictional town of Twin Lakes. Made in partnership with UW School of Journalism and...

Take on the role of a maritime archaeologist uncovering shipwrecks in the Great Lakes! In this historical inquiry game, players use GPS coordinates, go out on dives, take underwater photos, and use artifacts to solve the mystery of each shipwreck.

In Bloom, you’ll create trade networks and enact policies that keep farmers in business, while stopping excess manure from entering local lakes and rivers.