| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,788 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,999 |
| Every European Country Shape | 0 | - | 4.96 | 202,621 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,818 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,073 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,683 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,750 |
| U.S. State Flags | 0 | - | 4.89 | 172,191 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,690 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,384 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,164 |
| Every African Country Shape | 0 | - | 4.90 | 88,095 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,176 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,443 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,035 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,040 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,394 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,058 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,870 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,072 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,696 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,429 |
| Europe Flag Map - Find the Errors | 0 | - | 4.21 | 61,995 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,087 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,625 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,954 |
| Random European Capital to Country | 0 | - | 4.98 | 191,859 |
| Random European Country to Capital | 0 | - | 4.93 | 165,676 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,591 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,963 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,576 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,580 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,335 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,463 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,359 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,481 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,597 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,436 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,788 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,241 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,380 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,255 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,745 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,768 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,733 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,046 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,793 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,899 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,783 |
| Independence from Whom | 0 | - | 4.99 | 212,653 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,144 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,720 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,194 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,822 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,071 |
| Countries by Founding Story | 0 | - | 4.95 | 77,616 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,011 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,060 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,847 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,097 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,900 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,981 |
| Asia Map Quiz | 0 | - | 4.99 | 923,053 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,202 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,356 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,180 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,510 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,967 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,128 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,826 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,271 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,375 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,168 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,887 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,729 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,413 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,095 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,436 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,752 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,613 |
| Cities in European History #1 | 0 | - | 4.63 | 134,450 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,818 |
| Name a City - European Countries | 0 | - | 4.90 | 65,963 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,194 |
| Former Capitals | 0 | - | 4.88 | 71,615 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,312 |
| Europe Capital to Country | 0 | - | 4.99 | 251,625 |
| Asia Capital to Country | 0 | - | 4.96 | 127,222 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,674 |
| European Capitals by Map | 0 | - | 4.99 | 141,492 |
| African Capitals by Map | 0 | - | 4.99 | 141,541 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,968 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,639 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,661 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,999 |
| European Coastal Capitals | 0 | - | 4.95 | 91,110 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,084 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,347 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,062 |
| Recently Independent Countries | 0 | - | 4.98 | 159,747 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,279 |
| Countries Settled by Vikings | 0 | - | 4.92 | 121,930 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,479 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,795 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,624 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,742 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,220 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,196 |
| Countries of the Middle East | 0 | - | 4.96 | 202,270 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,945 |
| The Only European Country ... | 0 | - | 4.91 | 218,356 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,444 |
| Slavic Countries | 0 | - | 4.96 | 112,188 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,660 |
| African Island Countries | 0 | - | 4.96 | 102,247 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,327 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,795 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,159 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,380 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,626 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,839 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,080 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,356 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,620 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,524 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,339 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,760 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,098 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,200 |
| Communist Countries in History | 0 | - | 4.63 | 497,481 |
| Countries by Former Name | 0 | - | 4.99 | 125,612 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,831 |
| Countries of Africa | 0 | - | 5.00 | 2,552,981 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,942 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,572 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,112 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,321 |
| Historical City to Country | 0 | - | 4.85 | 78,783 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,068 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,285 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,354 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,861 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,642 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,840 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,309 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,080 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,718 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,992 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,967 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,187 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,234 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,197 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,112 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,400 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,610 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,256 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,641 |
| North America Map Quiz | 0 | - | 4.98 | 250,697 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,688 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,418 |
| Australia Map Quiz | 0 | - | 4.95 | 345,773 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,724 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,399 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,620 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,925 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,775 |
| Flags of North and South America | 0 | - | 4.99 | 375,866 |
| Australian States and Territories | 0 | - | 4.96 | 142,622 |
| US States Quiz | 0 | - | 5.00 | 16,962,520 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,165 |
| Counties of England | 0 | - | 4.97 | 801,276 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,956 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,418 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,565 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,447 |
| African East Coast | 0 | - | 4.96 | 96,557 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,666 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,896 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,935 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,205 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,307 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,262 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,201 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,341 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,132 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,431 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,776 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,941 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,453 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,999 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,737 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,382 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,686 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,743 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,712 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,346 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,175 |
