| African Countries by First 2 Letters | 0 | - | 4.96 | 269,063 |
| African East Coast | 0 | - | 4.96 | 96,586 |
| Australia True or False | 0 | - | 4.87 | 57,078 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,629 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,967 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,335 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,576 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,510 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,871 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,318 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,921 |
| African Great Lakes | 0 | - | 4.82 | 66,805 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,968 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,809 |
| Word Chain - Africa | 0 | - | 4.47 | 31,691 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,875 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,971 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,220 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,335 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,802 |
| African Physical Geography | 0 | - | 4.51 | 31,789 |
| Africa A-Z | 0 | - | 4.57 | 46,743 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,906 |
| Australian Capitals | 0 | - | 4.92 | 62,807 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,590 |
| Official European Union Languages | 0 | - | 4.97 | 239,472 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,479 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,360 |
| Germany True or False? | 0 | - | 4.61 | 48,970 |
| Famous People from Africa | 0 | - | 4.45 | 10,985 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,064 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,460 |
| Four Letter African Geography | 0 | - | 4.68 | 19,662 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,220 |
| Geography of South Africa | 0 | - | 4.54 | 17,299 |
| History of South Africa | 0 | - | 4.60 | 17,744 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,073 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,279 |
| France Multiple Choice | 0 | - | 4.39 | 40,814 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,193 |
| Asia Map Quiz | 0 | - | 4.99 | 923,258 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,296 |
| Provinces of South Africa | 0 | - | 4.74 | 21,897 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,300 |
| Australia Map Quiz | 0 | - | 4.95 | 345,823 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,160 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,500 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,332 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,781 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,233 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,780 |
| The Only European Country ... | 0 | - | 4.91 | 218,431 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,194 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,005 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,704 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,336 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,918 |
| Countries of Africa | 0 | - | 5.00 | 2,553,617 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,646 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,793 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,431 |
| What's Bigger? #1 | 0 | - | 4.87 | 151,096 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Australian States and Territories | 0 | - | 4.96 | 142,648 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,450 |
| Flags of North and South America | 0 | - | 4.99 | 375,975 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,656 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,419 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,275 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,716 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,145 |
| North America Map Quiz | 0 | - | 4.98 | 250,899 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,929 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,285 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,292 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,096 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,198 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,936 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,310 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,857 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,293 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,625 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,899 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,238 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,064 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,110 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,966 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,651 |
| Slavic Countries | 0 | - | 4.96 | 112,200 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,346 |
| Counties of England | 0 | - | 4.97 | 801,432 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,254 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,460 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,636 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,380 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,735 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,013 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,603 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,137 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,908 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,291 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,433 |
| Countries of the Middle East | 0 | - | 4.96 | 202,314 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,684 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,862 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,976 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,104 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,324 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,095 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,987 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,359 |
| African Island Countries | 0 | - | 4.96 | 102,272 |
| Flags of Oceania | 0 | - | 5.00 | 261,937 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,593 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,331 |
| Australia Country Quiz | 0 | - | 4.43 | 69,784 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,895 |
| Regions of New Zealand | 0 | - | 4.84 | 28,678 |
| The Only American Country ... | 0 | - | 4.92 | 122,071 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,521 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,263 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,651 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,033 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,733 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,783 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,624 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,820 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,825 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| US States Quiz | 0 | - | 5.00 | 16,965,407 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,391 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,578 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,346 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,258 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,245 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,632 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,698 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,299 |
| Monarchies of Europe | 0 | - | 4.90 | 98,677 |
| European Countries with One Border | 0 | - | 4.97 | 183,533 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,282 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,311 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,108 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,760 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,522 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,650 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,733 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,987 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,342 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,385 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,574 |
| States of Germany | 0 | - | 4.95 | 154,058 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,555 |
| Regions of Italy | 0 | - | 4.92 | 76,744 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,665 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,054 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,626 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,977 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,393 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,698 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,811 |
| Champions League Winners | 0 | - | 4.92 | 1,013,570 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,892 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,624 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,914 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,078 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,643 |
| Monarchies of Asia | 0 | - | 4.97 | 71,407 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,202 |
| Provinces of Turkey | 0 | - | 4.94 | 205,455 |
| Provinces of China | 0 | - | 4.97 | 207,116 |
| Japanese Prefectures | 0 | - | 4.98 | 138,527 |
| States of India | 0 | - | 4.95 | 195,260 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,203 |
| African Geography A-Z | 0 | - | 4.33 | 21,518 |
| The Only African Country ... | 0 | - | 4.99 | 129,529 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,323 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,711 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,301 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,645 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,030 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,683 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,898 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,318 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,741 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,901 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,618 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,667 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,874 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,079 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,524 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,629 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,763 |
| Palau Country Quiz | 0 | - | 4.90 | 23,108 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,821 |
