| Countries of the Soviet Union | 0 | - | 4.98 | 195,613 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,183 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,416 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,511 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,568 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,573 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,604 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,590 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,636 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,996 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,821 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,868 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,838 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,306 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,351 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,466 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,848 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,520 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,013 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,051 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,011 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,313 |
| Europe Capital to Country | 0 | - | 4.99 | 252,260 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,086 |
| European Capitals by Map | 0 | - | 4.99 | 142,267 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,968 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,250 |
| European Coastal Capitals | 0 | - | 4.95 | 91,380 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,936 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,375 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,064 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,573 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,704 |
| Official Cities in the UK | 0 | - | 4.89 | 286,515 |
| Cities in European History #1 | 0 | - | 4.63 | 134,664 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,195 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,615 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,744 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 113,497 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,199 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,913 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,134 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,438 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,001 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,464 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,118 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,713 |
| Random European Capital to Country | 0 | - | 4.98 | 192,226 |
| Random European Country to Capital | 0 | - | 4.93 | 165,972 |
| UK Immigration by Country | 0 | - | 4.94 | 141,784 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,039 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,133 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,395 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,475 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,500 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,057 |
| Every European Country Shape | 0 | - | 4.96 | 203,104 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 218,107 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,067 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,751 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 84,104 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,908 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,107 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,592 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,497 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,629 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,499 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,453 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,534 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,375 |
| Hindu Countries | 0 | - | 4.87 | 50,609 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,677 |
| Random European Flag to Country | 0 | - | 4.90 | 184,317 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,895 |
| Political Movements by Country | 0 | - | 4.46 | 72,790 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,611 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,871 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,535 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,232 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,051 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,944 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,244 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,460 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,785 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,498 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,316 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,243 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,817 |
| Independence from Whom | 0 | - | 4.99 | 213,202 |
| National Founders | 0 | - | 4.40 | 83,981 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,552 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,884 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,174 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,655 |
| Random European Countries on a Map | 0 | - | 4.97 | 285,221 |
| Countries of Africa | 0 | - | 5.00 | 2,561,788 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,910 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,854 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,857 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,662 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,568 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,538 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,183 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,814 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,760 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,456 |
| Asia Map Quiz | 0 | - | 4.99 | 925,726 |
| Australia Map Quiz | 0 | - | 4.95 | 346,279 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,353 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,083 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,551 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,680 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,289 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,942 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,490 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,939 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,560 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,224 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,539 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,886 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,804 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,553 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,154 |
| Cities by Former Name | 0 | - | 4.83 | 92,107 |
| Former Capitals | 0 | - | 4.88 | 71,697 |
| Asia Capital to Country | 0 | - | 4.96 | 127,611 |
| African Capitals by Map | 0 | - | 4.99 | 142,331 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,004 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,223 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,907 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,198 |
| Recently Independent Countries | 0 | - | 4.98 | 160,406 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,957 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,119 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,302 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,068 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,280 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,982 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,285 |
| Countries of the Middle East | 0 | - | 4.96 | 203,053 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,250 |
| The Only European Country ... | 0 | - | 4.91 | 219,239 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,093 |
| Slavic Countries | 0 | - | 4.96 | 112,423 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,042 |
| African Island Countries | 0 | - | 4.96 | 102,601 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,877 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,275 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,637 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,926 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,703 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,952 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,201 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,862 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,634 |
| Communist Countries in History | 0 | - | 4.63 | 498,417 |
| Countries by Former Name | 0 | - | 4.99 | 125,889 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,406 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,636 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,214 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,888 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,370 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,768 |
| Historical City to Country | 0 | - | 4.85 | 79,049 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,883 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,643 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,617 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,029 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,902 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,143 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,931 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,498 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,980 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,215 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 44,417 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,635 |
| Scotland A-Z | 0 | - | 4.73 | 41,472 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,840 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,171 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,725 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,837 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,512 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,828 |
| North America Map Quiz | 0 | - | 4.98 | 252,294 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,014 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,693 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,533 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,860 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,209 |
| Flags of North and South America | 0 | - | 4.99 | 377,394 |
| Australian States and Territories | 0 | - | 4.96 | 142,919 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,517 |
| Counties of England | 0 | - | 4.97 | 803,416 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,071 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,514 |
| African East Coast | 0 | - | 4.96 | 96,827 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,791 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,127 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,342 |
