Play Brain Games
Browse all 1747 games across 5 categories
Political Ideologies
How well do you understand the major political ideologies that have shaped world history?
Political Systems
Explore different forms of government and political systems from around the world
Polynesian Mythology
Explore the gods, heroes, and legends of the Pacific Islands
Port & Harbor Engineering
Dock your knowledge with questions about the engineering of ports and harbors!
Electrical Power Grids
Get charged up with questions about the world's electrical power grid systems!
Precious Gems & Minerals
Test your knowledge of precious stones and minerals!
Primates of the World
Meet our closest relatives in the animal kingdom, from great apes to tiny lemurs.
Quantum Physics Basics
Explore the fascinating world of quantum mechanics and subatomic particles
Radio & Television History
Tune in to the history of broadcasting from the first radio waves to modern TV
Railroad History
All aboard! Test your knowledge of the history of railroads and train travel!
Famous Railway Stations
Step onto the platform with questions about the world's most iconic railway stations!
Rainforest Creatures
Venture into the world's tropical rainforests to meet the colorful and fascinating creatures that call them home.
Rainforest Creatures
Meet the incredible animals that call the world's tropical rainforests home.
Religious Symbols Around the World
Identify the sacred symbols and their meanings across world religions
Renaissance Art
Explore the masterpieces of the Renaissance, the golden age of Western art!
Renaissance Era Quiz
Step into the age of rebirth — when art, science, and human potential flourished across Europe from the 14th to 17th centuries.
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!