| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,518 |
| Australia True or False | 0 | - | 4.87 | 56,819 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,296 |
| Australia Country Quiz | 0 | - | 4.43 | 69,564 |
| Regions of New Zealand | 0 | - | 4.85 | 28,479 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,214 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,047 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,879 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,068 |
| Official European Union Languages | 0 | - | 4.97 | 238,345 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,747 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,461 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,522 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,558 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,994 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,905 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,675 |
| Asia Map Quiz | 0 | - | 4.99 | 915,809 |
| Word Chain - Australia | 0 | - | 4.38 | 38,130 |
| Countries of Africa | 0 | - | 5.00 | 2,533,861 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,743 |
| African East Coast | 0 | - | 4.96 | 95,958 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,778 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,593 |
| Australia Map Quiz | 0 | - | 4.95 | 344,183 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,037 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,810 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,245 |
| Celtic Nations | 0 | - | 4.69 | 46,923 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,939 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,081 |
| The Only European Country ... | 0 | - | 4.91 | 216,351 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,972 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,801 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,849 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,070 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,941 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,844 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,508 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,146 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,197 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,367 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,874 |
| African Island Countries | 0 | - | 4.96 | 101,534 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,275 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,677 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,048 |
| Australian States and Territories | 0 | - | 4.96 | 141,828 |
| Famous Australians by Description | 0 | - | 4.23 | 27,910 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,270 |
| Australian Slang | 0 | - | 4.24 | 28,618 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,569 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,600 |
| North America Map Quiz | 0 | - | 4.98 | 248,192 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,694 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,270 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,097 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,842 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,110 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,462 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,073 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,323 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,253 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,201 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,001 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,169 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,939 |
| Slavic Countries | 0 | - | 4.96 | 111,580 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,328 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,942 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,162 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,645 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,077 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,921 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,776 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,409 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,355 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,185 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,843 |
| Countries of the Middle East | 0 | - | 4.96 | 200,984 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,490 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,424 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,585 |
| Flags of North and South America | 0 | - | 4.99 | 372,600 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,773 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,042 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,019 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,778 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,305 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,408 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,456 |
| Counties of England | 0 | - | 4.97 | 795,891 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,721 |
| States of India | 0 | - | 4.95 | 192,992 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,314 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,732 |
| The Only African Country ... | 0 | - | 4.99 | 129,042 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,104 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,784 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,968 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,109 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.87 | 56,186 |
| Flags of Oceania | 0 | - | 5.00 | 258,683 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,321 |
| The Only American Country ... | 0 | - | 4.92 | 121,517 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,041 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,545 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,885 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,850 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,609 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,997 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,427 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,333 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,412 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,887 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,877 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,021 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,760 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,404 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,148 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,023 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,654 |
| Monarchies of Europe | 0 | - | 4.90 | 98,055 |
| European Countries with One Border | 0 | - | 4.97 | 182,664 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,470 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,081 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,859 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,827 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,286 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,698 |
| States of Germany | 0 | - | 4.96 | 152,281 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,972 |
| Regions of Italy | 0 | - | 4.92 | 75,758 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,052 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,814 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,120 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,287 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,937 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,377 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,685 |
| Champions League Winners | 0 | - | 4.92 | 1,005,655 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,441 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,897 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,195 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,632 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,106 |
| Monarchies of Asia | 0 | - | 4.97 | 71,040 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,828 |
| Provinces of Turkey | 0 | - | 4.95 | 203,892 |
| Provinces of China | 0 | - | 4.97 | 204,022 |
| Japanese Prefectures | 0 | - | 4.98 | 136,653 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,787 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,763 |
| States of India Map Quiz | 0 | - | 4.83 | 26,473 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,195 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,699 |
| African Great Lakes | 0 | - | 4.82 | 66,143 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,540 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,512 |
| Name a Valid African Country | 0 | - | 4.98 | 153,944 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,765 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,045 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,456 |
| Palau Country Quiz | 0 | - | 4.90 | 22,995 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,541 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,032 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,877 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,440 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,507 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,230 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,093 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,403 |
| States of Mexico | 0 | - | 4.95 | 175,796 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,642 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,854 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,798 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,994 |
| States of Brazil | 0 | - | 4.97 | 87,835 |
| Central American Countries | 0 | - | 4.98 | 156,347 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,205 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,877 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,500 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,345 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,652 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,840 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,165 |
| US States Quiz | 0 | - | 5.00 | 16,855,893 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,836 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,233 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,430 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,979 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,587 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,039 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,908 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,650 |