Play Brain Games
Browse all 1755 games across 5 categories
Renewable Energy
Learn about solar, wind, and other clean energy technologies powering our future
Reptiles & Amphibians
Explore the scaly and slimy world of reptiles and amphibians, from giant tortoises to tiny tree frogs.
History of Revolutions
From the French Revolution to the Arab Spring, test your knowledge of the world's most transformative revolutions
Road Construction History
Pave your way through history with questions about road building through the ages!
Robotics & Artificial Intelligence
Discover the evolution of robots and AI from science fiction to everyday reality
Roman Empire Quiz
Test your knowledge of the mighty Roman Empire — from its legendary founding to its dramatic fall.
Roman Mythology
Discover the gods, heroes, and legends of ancient Rome
Rugby World
Test your knowledge of rugby union, rugby league, and the Rugby World Cup!
Safari & Savanna Life
Experience the grasslands and savannas of the world and the remarkable animals that inhabit them.
Satellite Technology
Learn about the satellites orbiting Earth and how they shape our modern world
Scandinavian Countries
Discover the lands of the Vikings! Test your knowledge of Scandinavia and the Nordic region.
Science & Inventions
Discover how much you know about famous inventions, scientific discoveries, and the brilliant minds behind them.
The Science of Color
Discover why the sky is blue, how rainbows form, and what makes a sunset glow — a colorful journey through everyday science!
Sculpture Masterpieces
From ancient marble to modern metal, test your knowledge of the world's greatest sculptures!
Seafood Knowledge
How well do you know your seafood, from fish to shellfish?
Sharks & Rays
Explore the world of sharks and rays, ancient predators that have roamed the oceans for hundreds of millions of years.
Shipbuilding History
Set sail through history with questions about shipbuilding and naval engineering!
Simple Machines
From levers and pulleys to wheels and inclined planes, discover the six clever machines behind the everyday tools we all use.
Skyscraper History
How much do you know about the towering achievements of skyscraper engineering?
Sleep Science
How much do you know about the science of sleep and dreams?
Snakes Around the World
From the king cobra to the tiny thread snake — slither through fascinating facts about one of nature's most misunderstood and remarkable creatures.
Soccer Legends
How well do you know the greatest soccer players and clubs in football history?
Social Movements
From abolition to environmentalism, explore the social movements that changed the world
Solar System Facts
Planets, moons, and solar system knowledge