| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Australia True or False | 0 | - | 4.87 | 56,952 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,429 |
| Australia Country Quiz | 0 | - | 4.43 | 69,669 |
| Regions of New Zealand | 0 | - | 4.84 | 28,591 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,704 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,558 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,591 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,688 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,320 |
| Official European Union Languages | 0 | - | 4.97 | 238,912 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,127 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,902 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,667 |
| Oceania Map Quiz | 0 | - | 4.98 | 650,678 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,102 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,016 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,704 |
| Asia Map Quiz | 0 | - | 4.99 | 919,603 |
| Word Chain - Australia | 0 | - | 4.38 | 38,171 |
| Countries of Africa | 0 | - | 5.00 | 2,544,803 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,098 |
| African East Coast | 0 | - | 4.96 | 96,279 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,141 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,904 |
| Australia Map Quiz | 0 | - | 4.95 | 345,131 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,790 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,741 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,558 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,027 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,107 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,666 |
| The Only European Country ... | 0 | - | 4.91 | 217,380 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,572 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,914 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,287 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,819 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,098 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,341 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,793 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,476 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,830 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,446 |
| African Island Countries | 0 | - | 4.96 | 101,870 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,824 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,076 |
| Australian States and Territories | 0 | - | 4.96 | 142,226 |
| Famous Australians by Description | 0 | - | 4.23 | 28,003 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,363 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,709 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,396 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,104 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,639 |
| North America Map Quiz | 0 | - | 4.98 | 249,450 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,805 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,493 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,301 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,963 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,918 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,430 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,362 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,356 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,535 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,216 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,974 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,626 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,554 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,390 |
| Slavic Countries | 0 | - | 4.96 | 111,878 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,471 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,193 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,406 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,019 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,361 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,220 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,232 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,783 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,646 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,750 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,108 |
| Countries of the Middle East | 0 | - | 4.96 | 201,679 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,591 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,129 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,763 |
| Flags of North and South America | 0 | - | 4.99 | 374,278 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,716 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,772 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,623 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,680 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,473 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,693 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,575 |
| Counties of England | 0 | - | 4.97 | 798,835 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,818 |
| States of India | 0 | - | 4.95 | 194,088 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,391 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,887 |
| The Only African Country ... | 0 | - | 4.99 | 129,270 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,206 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,062 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,082 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,398 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,393 |
| Flags of Oceania | 0 | - | 5.00 | 260,497 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,702 |
| The Only American Country ... | 0 | - | 4.92 | 121,815 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,273 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,925 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,179 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,836 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,399 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,606 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,748 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,612 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,404 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,027 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,204 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,038 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,842 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,696 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,386 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,984 |
| Monarchies of Europe | 0 | - | 4.90 | 98,346 |
| European Countries with One Border | 0 | - | 4.97 | 183,112 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,892 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,743 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,992 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,092 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,817 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,150 |
| States of Germany | 0 | - | 4.95 | 153,166 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,280 |
| Regions of Italy | 0 | - | 4.92 | 76,231 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,421 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,393 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,149 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,151 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,146 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,752 |
| Champions League Winners | 0 | - | 4.92 | 1,009,818 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,694 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,251 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,545 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,469 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,387 |
| Monarchies of Asia | 0 | - | 4.97 | 71,221 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,017 |
| Provinces of Turkey | 0 | - | 4.95 | 204,632 |
| Provinces of China | 0 | - | 4.97 | 205,615 |
| Japanese Prefectures | 0 | - | 4.98 | 137,596 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,016 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,076 |
| States of India Map Quiz | 0 | - | 4.83 | 26,603 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,347 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,818 |
| African Great Lakes | 0 | - | 4.82 | 66,511 |
| Word Chain - Africa | 0 | - | 4.47 | 31,651 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,761 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,812 |
| Name a Valid African Country | 0 | - | 4.98 | 154,354 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,852 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,128 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,587 |
| Palau Country Quiz | 0 | - | 4.90 | 23,054 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,675 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,277 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,129 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,480 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,866 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,555 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,295 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,380 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,572 |
| States of Mexico | 0 | - | 4.96 | 176,759 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,065 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,092 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,171 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,237 |
| States of Brazil | 0 | - | 4.97 | 88,580 |
| Central American Countries | 0 | - | 4.98 | 156,763 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,955 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,046 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,106 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,869 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,828 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,814 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,935 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,393 |
| US States Quiz | 0 | - | 5.00 | 16,917,218 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,797 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,307 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,824 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,172 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,644 |
