| Countries of the Soviet Union | 0 | - | 4.98 | 195,379 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,027 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,060 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,091 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,192 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,061 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,402 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,449 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,478 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,579 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,241 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,460 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,723 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,308 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,120 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,023 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,427 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,241 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,759 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,847 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,916 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,357 |
| Europe Capital to Country | 0 | - | 4.99 | 251,601 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,451 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,647 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,991 |
| European Coastal Capitals | 0 | - | 4.95 | 91,101 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,314 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,190 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,428 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,906 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,979 |
| Official Cities in the UK | 0 | - | 4.89 | 285,488 |
| Cities in European History #1 | 0 | - | 4.63 | 134,439 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,409 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,856 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,470 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,582 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,779 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,172 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,511 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,654 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,076 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,712 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,431 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,284 |
| Random European Capital to Country | 0 | - | 4.98 | 191,845 |
| Random European Country to Capital | 0 | - | 4.93 | 165,670 |
| UK Immigration by Country | 0 | - | 4.94 | 141,455 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,749 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,944 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,050 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,529 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,378 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,957 |
| Every European Country Shape | 0 | - | 4.96 | 202,598 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,667 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,572 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,828 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,652 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,652 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,330 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,196 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,558 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,447 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,223 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,353 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,304 |
| Hindu Countries | 0 | - | 4.87 | 50,457 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,476 |
| Random European Flag to Country | 0 | - | 4.90 | 183,834 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,830 |
| Political Movements by Country | 0 | - | 4.46 | 72,706 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,402 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,739 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,406 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,076 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,873 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,461 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,776 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,890 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,679 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,471 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,110 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,193 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,636 |
| Independence from Whom | 0 | - | 4.99 | 212,639 |
| National Founders | 0 | - | 4.40 | 83,931 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,135 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,714 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,812 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,573 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,675 |
| Countries of Africa | 0 | - | 5.00 | 2,552,737 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,704 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,614 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,616 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,598 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,481 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,197 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,664 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,045 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,843 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,867 |
| Asia Map Quiz | 0 | - | 4.99 | 922,958 |
| Australia Map Quiz | 0 | - | 4.95 | 345,740 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,702 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,153 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,036 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,279 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,652 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,186 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,157 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,723 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,409 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,089 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,432 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,747 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,603 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,254 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,803 |
| Cities by Former Name | 0 | - | 4.83 | 91,909 |
| Former Capitals | 0 | - | 4.88 | 71,612 |
| Asia Capital to Country | 0 | - | 4.96 | 127,205 |
| African Capitals by Map | 0 | - | 4.99 | 141,497 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,621 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,075 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,767 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,058 |
| Recently Independent Countries | 0 | - | 4.98 | 159,742 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,257 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,924 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,584 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,613 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,720 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,193 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,191 |
| Countries of the Middle East | 0 | - | 4.96 | 202,246 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,925 |
| The Only European Country ... | 0 | - | 4.91 | 218,323 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,418 |
| Slavic Countries | 0 | - | 4.96 | 112,174 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,642 |
| African Island Countries | 0 | - | 4.96 | 102,233 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,310 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,782 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,135 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,876 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,624 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,830 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,078 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,835 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,345 |
| Communist Countries in History | 0 | - | 4.63 | 497,448 |
| Countries by Former Name | 0 | - | 4.99 | 125,604 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,811 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,866 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,562 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,099 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,305 |
| Historical City to Country | 0 | - | 4.85 | 78,778 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,055 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,278 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,348 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,633 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,828 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,302 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,071 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,712 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,983 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,962 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,502 |
| Scotland A-Z | 0 | - | 4.73 | 41,407 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,123 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,047 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,388 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,607 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,248 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,639 |
| North America Map Quiz | 0 | - | 4.98 | 250,629 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,679 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,412 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,397 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,614 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,685 |
| Flags of North and South America | 0 | - | 4.99 | 375,836 |
| Australian States and Territories | 0 | - | 4.96 | 142,593 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,114 |
| Counties of England | 0 | - | 4.97 | 801,211 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,906 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,409 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,444 |
| African East Coast | 0 | - | 4.96 | 96,543 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,662 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,887 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,919 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,157 |
