| Australian Capitals | 0 | - | 4.92 | 62,642 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,237 |
| Australia True or False | 0 | - | 4.87 | 56,629 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,086 |
| Australia Country Quiz | 0 | - | 4.43 | 69,392 |
| Regions of New Zealand | 0 | - | 4.85 | 28,333 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,348 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,171 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,989 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,797 |
| Official European Union Languages | 0 | - | 4.97 | 237,480 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,212 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,199 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,216 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,724 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,834 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,210 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,288 |
| Asia Map Quiz | 0 | - | 4.99 | 909,919 |
| Word Chain - Australia | 0 | - | 4.37 | 38,058 |
| Countries of Africa | 0 | - | 5.00 | 2,517,703 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,163 |
| African East Coast | 0 | - | 4.96 | 95,413 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,276 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,097 |
| Australia Map Quiz | 0 | - | 4.94 | 343,066 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,855 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,416 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,703 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,019 |
| Celtic Nations | 0 | - | 4.69 | 46,860 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,706 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,145 |
| The Only European Country ... | 0 | - | 4.91 | 214,837 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,133 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,646 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,059 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,610 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,586 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,074 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,824 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,593 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,756 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,600 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,057 |
| African Island Countries | 0 | - | 4.96 | 101,065 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,267 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,646 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,006 |
| Australian States and Territories | 0 | - | 4.96 | 141,242 |
| Famous Australians by Description | 0 | - | 4.23 | 27,749 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,107 |
| Australian Slang | 0 | - | 4.25 | 28,529 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,340 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,446 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,707 |
| North America Map Quiz | 0 | - | 4.98 | 246,087 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,501 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,843 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,824 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,634 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,300 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,035 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,616 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,127 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,692 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,046 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,040 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,136 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,140 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,617 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,426 |
| Slavic Countries | 0 | - | 4.96 | 111,146 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,158 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,706 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,755 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,119 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,658 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,516 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,164 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,866 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,939 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,412 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,405 |
| Countries of the Middle East | 0 | - | 4.96 | 199,651 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,330 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,945 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,334 |
| Flags of North and South America | 0 | - | 4.99 | 369,459 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,658 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,963 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,401 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,371 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,813 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,562 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,266 |
| Counties of England | 0 | - | 4.97 | 791,781 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,132 |
| States of India | 0 | - | 4.94 | 191,342 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,151 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,403 |
| The Only African Country ... | 0 | - | 4.98 | 128,628 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,887 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,327 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,334 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,642 |
| Flags of Oceania | 0 | - | 5.00 | 256,526 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,715 |
| The Only American Country ... | 0 | - | 4.92 | 121,089 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,651 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,426 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,534 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,295 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,192 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,340 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,139 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,702 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,100 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,350 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,644 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,671 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,574 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,262 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,784 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,351 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,499 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,142 |
| Monarchies of Europe | 0 | - | 4.90 | 97,603 |
| European Countries with One Border | 0 | - | 4.97 | 182,000 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,882 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,401 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,975 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,443 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,636 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,070 |
| States of Germany | 0 | - | 4.96 | 150,857 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,279 |
| Regions of Italy | 0 | - | 4.92 | 75,052 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,042 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,000 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,637 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,008 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,264 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,512 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,604 |
| Champions League Winners | 0 | - | 4.92 | 999,774 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,149 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,395 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,688 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,455 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,702 |
| Monarchies of Asia | 0 | - | 4.97 | 70,770 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,576 |
| Provinces of Turkey | 0 | - | 4.95 | 202,626 |
| Provinces of China | 0 | - | 4.97 | 201,588 |
| Japanese Prefectures | 0 | - | 4.98 | 135,415 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,448 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,215 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,466 |
| States of India Map Quiz | 0 | - | 4.82 | 26,188 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,929 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,485 |
| African Great Lakes | 0 | - | 4.82 | 65,584 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,089 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,673 |
| Name a Valid African Country | 0 | - | 4.98 | 153,300 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,608 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,899 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,188 |
| Palau Country Quiz | 0 | - | 4.90 | 22,900 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,352 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,714 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,475 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,351 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,421 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,119 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,367 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,085 |
| States of Mexico | 0 | - | 4.95 | 174,318 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,104 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,456 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,287 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,587 |
| States of Brazil | 0 | - | 4.97 | 86,896 |
| Central American Countries | 0 | - | 4.98 | 155,421 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,591 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,489 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,936 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,631 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,932 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,632 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,843 |
| US States Quiz | 0 | - | 5.00 | 16,760,532 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,926 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,137 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,840 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,665 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,494 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,528 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,406 |
