| Australian Capitals | 0 | - | 4.92 | 62,717 |
| Australia True or False | 0 | - | 4.87 | 56,838 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,311 |
| Australia Country Quiz | 0 | - | 4.43 | 69,573 |
| Regions of New Zealand | 0 | - | 4.85 | 28,499 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,548 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,328 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,122 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,989 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,097 |
| Official European Union Languages | 0 | - | 4.97 | 238,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,794 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,178 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,240 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,866 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,005 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,050 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,997 |
| Asia Map Quiz | 0 | - | 4.99 | 916,258 |
| Word Chain - Australia | 0 | - | 4.38 | 38,137 |
| Countries of Africa | 0 | - | 5.00 | 2,535,187 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,784 |
| African East Coast | 0 | - | 4.96 | 96,002 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,830 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,654 |
| Australia Map Quiz | 0 | - | 4.95 | 344,499 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,146 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,635 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,916 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,341 |
| Celtic Nations | 0 | - | 4.69 | 46,931 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,966 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,150 |
| The Only European Country ... | 0 | - | 4.91 | 216,482 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,044 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,823 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,901 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,685 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,952 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,901 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,187 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,228 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,438 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,937 |
| African Island Countries | 0 | - | 4.96 | 101,583 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,329 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,682 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,050 |
| Australian States and Territories | 0 | - | 4.96 | 141,909 |
| Famous Australians by Description | 0 | - | 4.23 | 27,920 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,278 |
| Australian Slang | 0 | - | 4.24 | 28,623 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,588 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,194 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,711 |
| North America Map Quiz | 0 | - | 4.98 | 248,329 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,710 |
| United States Map Quiz | 0 | - | 4.98 | 4,157,249 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,123 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,864 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,381 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,618 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,160 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,580 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,108 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,343 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,353 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,518 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,089 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,215 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,148 |
| Slavic Countries | 0 | - | 4.96 | 111,613 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,336 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,976 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,195 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,690 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,116 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,954 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,832 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,460 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,390 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,268 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,869 |
| Countries of the Middle East | 0 | - | 4.96 | 201,069 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,504 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,797 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,610 |
| Flags of North and South America | 0 | - | 4.99 | 372,822 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,135 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,565 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,270 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,081 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,209 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,158 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,477 |
| Counties of England | 0 | - | 4.97 | 796,270 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,101 |
| States of India | 0 | - | 4.95 | 193,091 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,324 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,761 |
| The Only African Country ... | 0 | - | 4.99 | 129,069 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,112 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,821 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,086 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,161 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,774 |
| Flags of Oceania | 0 | - | 5.00 | 258,844 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,370 |
| The Only American Country ... | 0 | - | 4.92 | 121,559 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,073 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,561 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,989 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,886 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,638 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,047 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,451 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,393 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,431 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,958 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,910 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,051 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,806 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,459 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,218 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,073 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,699 |
| Monarchies of Europe | 0 | - | 4.90 | 98,097 |
| European Countries with One Border | 0 | - | 4.97 | 182,717 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,520 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,147 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,017 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,858 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,363 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,752 |
| States of Germany | 0 | - | 4.96 | 152,403 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,995 |
| Regions of Italy | 0 | - | 4.92 | 75,824 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,108 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,890 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,176 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,414 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,964 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,558 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| Champions League Winners | 0 | - | 4.92 | 1,006,131 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,478 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,948 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,241 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,744 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,147 |
| Monarchies of Asia | 0 | - | 4.97 | 71,068 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,861 |
| Provinces of Turkey | 0 | - | 4.95 | 204,007 |
| Provinces of China | 0 | - | 4.97 | 204,196 |
| Japanese Prefectures | 0 | - | 4.98 | 136,776 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,812 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,808 |
| States of India Map Quiz | 0 | - | 4.83 | 26,499 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,210 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,711 |
| African Great Lakes | 0 | - | 4.82 | 66,186 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,571 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,546 |
| Name a Valid African Country | 0 | - | 4.98 | 154,011 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,776 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,057 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,472 |
| Palau Country Quiz | 0 | - | 4.90 | 23,004 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,557 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,063 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,911 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,448 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,515 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,241 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,132 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,433 |
| States of Mexico | 0 | - | 4.95 | 175,905 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,695 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,889 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,853 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,016 |
| States of Brazil | 0 | - | 4.97 | 87,928 |
| Central American Countries | 0 | - | 4.98 | 156,403 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,323 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,910 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,581 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,418 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,850 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,856 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,194 |
| US States Quiz | 0 | - | 5.00 | 16,864,685 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,922 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,246 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,487 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,005 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,594 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,069 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,951 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
