| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,184 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,368 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,160 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,095 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,866 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,268 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,257 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,358 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,104 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,113 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,961 |
| African Capitals by Map | 0 | - | 4.99 | 132,190 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,462 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,804 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,519 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,687 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,785 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,506 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,868 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,480 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,959 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,670 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,898 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,279 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,093 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,909 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,298 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,187 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Random African Capital to Country | 0 | - | 4.97 | 99,741 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,863 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,850 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,415 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,284 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,976 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,755 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,360 |
| Every African Country Shape | 0 | - | 4.90 | 86,131 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,688 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,127 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,656 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,274 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,323 |
| Independence from Whom | 0 | - | 4.99 | 209,698 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,757 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,000 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,023 |
| Hindu Countries | 0 | - | 4.86 | 49,587 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,645 |
| Countries by Founding Story | 0 | - | 4.95 | 76,544 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,499 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,735 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,242 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,037 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,542 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,365 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,457 |
| Asia Map Quiz | 0 | - | 4.99 | 907,108 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,229 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,208 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,975 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,814 |
| Random African Flag to Country | 0 | - | 4.87 | 74,219 |
| Countries of Africa | 0 | - | 5.00 | 2,508,143 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,361 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,554 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,965 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,016 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,946 |
| Australia Map Quiz | 0 | - | 4.94 | 342,508 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,322 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,849 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,648 |
| Cities in European History #1 | 0 | - | 4.63 | 133,137 |
| Name a City - European Countries | 0 | - | 4.92 | 64,409 |
| Cities by Former Name | 0 | - | 4.84 | 90,977 |
| Recently Independent Countries | 0 | - | 4.98 | 157,989 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,010 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,877 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,574 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,383 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,626 |
| The Only European Country ... | 0 | - | 4.91 | 213,862 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,166 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,513 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,180 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,880 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,554 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Arms Exports - United States | 0 | - | 4.70 | 54,363 |
| Countries by Former Name | 0 | - | 4.99 | 124,297 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,788 |
| Historical City to Country | 0 | - | 4.84 | 78,132 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,686 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,927 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,349 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,338 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,184 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,999 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,287 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,808 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,480 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,932 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,455 |
| Flags of North and South America | 0 | - | 4.99 | 367,305 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,958 |
| Counties of England | 0 | - | 4.97 | 789,252 |
| African East Coast | 0 | - | 4.96 | 95,059 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,949 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,101 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,241 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,283 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,224 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,367 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,831 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Europe Capital to Country | 0 | - | 4.99 | 247,927 |
| Asia Capital to Country | 0 | - | 4.96 | 125,769 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,469 |
| European Capitals by Map | 0 | - | 4.99 | 136,299 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,317 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,150 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,202 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,625 |
| European Coastal Capitals | 0 | - | 4.95 | 89,767 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,836 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,837 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,425 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,846 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,356 |
| Countries of the Middle East | 0 | - | 4.96 | 198,944 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,274 |
| Slavic Countries | 0 | - | 4.96 | 110,865 |
| African Island Countries | 0 | - | 4.96 | 100,797 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,275 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,730 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,743 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,394 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,722 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,126 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,721 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,773 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,584 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,284 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,427 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,259 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,934 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,819 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,241 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,477 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| North America Map Quiz | 0 | - | 4.98 | 244,490 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,437 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,353 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,180 |
| Australian States and Territories | 0 | - | 4.96 | 140,916 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,931 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,164 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,711 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,694 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,478 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,846 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,670 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,782 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,564 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,567 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,521 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,570 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,186 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,732 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,101 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,574 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,982 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,010 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,600 |
| Official Cities in the UK | 0 | - | 4.89 | 280,565 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,212 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,959 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,396 |
