| Australian Capitals | 0 | - | 4.92 | 62,806 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,610 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,861 |
| Australia True or False | 0 | - | 4.87 | 57,076 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,211 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,589 |
| Australia Country Quiz | 0 | - | 4.43 | 69,783 |
| Regions of New Zealand | 0 | - | 4.84 | 28,677 |
| Australian Slang | 0 | - | 4.24 | 28,701 |
| Native American Words | 0 | - | 4.26 | 24,813 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,806 |
| Japanese Loanwords | 0 | - | 4.47 | 84,823 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,994 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,335 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,063 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,220 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,332 |
| German Loan Words | 0 | - | 4.27 | 140,590 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,187 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,407 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,067 |
| Word Chain - Australia | 0 | - | 4.38 | 38,218 |
| 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 by Borders in 30 Seconds | 0 | - | 4.98 | 430,274 |
| American to British Word Translation | 0 | - | 4.14 | 139,553 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,188 |
| Asia Map Quiz | 0 | - | 4.99 | 923,250 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,277 |
| Elemental Words | 0 | - | 4.97 | 52,505 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,391 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,120 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,298 |
| Australia Map Quiz | 0 | - | 4.95 | 345,821 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,151 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,705 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,496 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,330 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,779 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,233 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,776 |
| The Only European Country ... | 0 | - | 4.91 | 218,431 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,193 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,005 |
| British Spellings | 0 | - | 4.06 | 99,567 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,704 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,332 |
| Countries of Africa | 0 | - | 5.00 | 2,553,602 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,645 |
| African East Coast | 0 | - | 4.96 | 96,585 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,431 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,534 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,841 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,555 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,679 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,902 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,166 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,846 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,716 |
| Australian States and Territories | 0 | - | 4.96 | 142,648 |
| Famous Australians by Description | 0 | - | 4.23 | 28,093 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,450 |
| Flags of North and South America | 0 | - | 4.99 | 375,972 |
| 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 | 130,418 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,262 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,715 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,127 |
| North America Map Quiz | 0 | - | 4.98 | 250,892 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,928 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,279 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,281 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,474 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,096 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,190 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,911 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,309 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,857 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,292 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,625 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,897 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,236 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,061 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,965 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,651 |
| Slavic Countries | 0 | - | 4.96 | 112,200 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,629 |
| British to American Word Translation | 0 | - | 3.74 | 255,279 |
| British Foods by Description | 0 | - | 3.94 | 48,367 |
| British and American Word Differences | 0 | - | 2.63 | 46,917 |
| Counties of England | 0 | - | 4.97 | 801,430 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,457 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,635 |
| 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 | 109,012 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,600 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,135 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,908 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,289 |
| Countries of the Middle East | 0 | - | 4.96 | 202,313 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,684 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,413 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,968 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,102 |
| 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 | 33,986 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,359 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,967 |
| African Island Countries | 0 | - | 4.96 | 102,272 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,335 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,741 |
| Flags of Oceania | 0 | - | 5.00 | 261,936 |
| Palau Country Quiz | 0 | - | 4.90 | 23,108 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,329 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,820 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,488 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,372 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,524 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,590 |
| The Only American Country ... | 0 | - | 4.92 | 122,070 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,521 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,651 |
| States of Mexico | 0 | - | 4.96 | 177,707 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,451 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,330 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,576 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,451 |
| States of Brazil | 0 | - | 4.97 | 89,284 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,260 |
| Central American Countries | 0 | - | 4.98 | 157,139 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,163 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,911 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,648 |
| 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 | 64,732 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,782 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,349 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,623 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,184 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,819 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,321 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,870 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,052 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,823 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,608 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,180 |
| US States Quiz | 0 | - | 5.00 | 16,965,310 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,302 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,134 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,391 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,357 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,578 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,665 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,597 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,345 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,258 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,244 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,632 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,698 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,331 |
| 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 Map without 10 Random Countries | 0 | - | 4.97 | 278,501 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,108 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,825 |
| Russia Country Quiz | 0 | - | 4.83 | 115,157 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,984 |
| Countries That Border Russia | 0 | - | 4.98 | 463,987 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,636 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,341 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,511 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,879 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,385 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,539 |
| Departments of France | 0 | - | 4.93 | 54,885 |
| Countries Bordering France | 0 | - | 4.83 | 404,421 |
| Germany Country Quiz | 0 | - | 4.82 | 158,599 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,574 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,924 |
| States of Germany | 0 | - | 4.95 | 154,058 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,554 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,391 |
| Regions of Italy | 0 | - | 4.92 | 76,743 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,037 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,887 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,707 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,665 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,340 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,054 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,637 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,624 |
